diff --git a/assets/market.png b/assets/market.png
new file mode 100644
index 0000000..b68b37a
Binary files /dev/null and b/assets/market.png differ
diff --git a/src/lib.rs b/src/lib.rs
index c44d013..be43844 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,18 +7,21 @@ use bevy::{
     DefaultPlugins,
 };
 use camera::UserCamera;
+use market::Market;
 use player::Player;
-use ui::{FPSText, FishCounterText, KeybindingsText};
+use ui::{FPSText, FishCounterText, KeybindingsText, MoneyText};
 use water::Water;
 
 mod camera;
+mod market;
 mod player;
 mod ui;
 mod water;
 
 pub const CHARACTER_SPEED: f32 = 1000.0;
 pub const CAMERA_DECAY_RATE: f32 = 3.0;
-pub const FISHING_AREA_RADIUS: f32 = 100.0;
+pub const INTERACTION_AREA_RADIUS: f32 = 100.0;
+pub const FISH_PRICE: usize = 15;
 
 pub fn start_game() {
     App::new()
@@ -38,8 +41,10 @@ pub fn start_game() {
                 FPSText::setup,
                 UserCamera::setup,
                 Water::setup,
+                Market::setup,
                 Player::setup,
                 FishCounterText::setup,
+                MoneyText::setup,
                 KeybindingsText::setup,
             ),
         )
@@ -50,7 +55,9 @@ pub fn start_game() {
                 UserCamera::update,
                 Player::r#move.before(FishCounterText::update),
                 Water::fishing,
+                Market::sell.chain().before(MoneyText::update),
                 FishCounterText::update,
+                MoneyText::update,
             ),
         )
         .run();
diff --git a/src/market.rs b/src/market.rs
new file mode 100644
index 0000000..b06948e
--- /dev/null
+++ b/src/market.rs
@@ -0,0 +1,41 @@
+use bevy::prelude::*;
+
+use crate::{player::Player, FISH_PRICE, INTERACTION_AREA_RADIUS};
+
+#[derive(Debug, Component)]
+pub struct Market;
+
+impl Market {
+    pub fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
+        let image = asset_server.load::<Image>("market.png");
+        let sprite = Sprite::from_image(image);
+        commands.spawn((
+            sprite.clone(),
+            Transform::from_xyz(0.0, 200.0, -1.0),
+            Market,
+        ));
+    }
+
+    pub fn sell(
+        player_transform_query: Query<&Transform, With<Player>>,
+        mut player_query: Query<&mut Player, With<Player>>,
+        market_query: Query<&Transform, With<Market>>,
+        keyboard: Res<ButtonInput<KeyCode>>,
+    ) {
+        let player_transform = player_transform_query.get_single().unwrap();
+        let mut player = player_query.get_single_mut().unwrap();
+
+        for market_query in &market_query {
+            let distance = player_transform
+                .translation
+                .distance(market_query.translation);
+
+            if distance < INTERACTION_AREA_RADIUS {
+                if keyboard.just_pressed(KeyCode::KeyE) {
+                    player.money = player.fish_count * FISH_PRICE;
+                    player.fish_count = 0;
+                }
+            }
+        }
+    }
+}
diff --git a/src/player.rs b/src/player.rs
index 027e938..7d0c500 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -5,6 +5,7 @@ use crate::CHARACTER_SPEED;
 #[derive(Debug, Component)]
 pub struct Player {
     pub fish_count: usize,
+    pub money: usize,
 }
 
 impl Player {
@@ -13,7 +14,10 @@ impl Player {
         commands.spawn((
             Sprite::from_image(image),
             Transform::from_xyz(0.0, 0.0, 0.0),
-            Player { fish_count: 0 },
+            Player {
+                fish_count: 0,
+                money: 0,
+            },
         ));
     }
 
diff --git a/src/ui.rs b/src/ui.rs
index aa1350c..74ce3a0 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -9,6 +9,7 @@ use crate::player::Player;
 
 const FISH_COUNTER_OFFSET: Vec3 = Vec3::new(50.0, 50.0, 1.0);
 static FISH_COUNT: LazyLock<Arc<RwLock<usize>>> = LazyLock::new(|| Arc::new(RwLock::new(0)));
+static MONEY: LazyLock<Arc<RwLock<usize>>> = LazyLock::new(|| Arc::new(RwLock::new(0)));
 
 #[derive(Debug, Component)]
 pub struct FPSText;
@@ -84,9 +85,41 @@ pub struct KeybindingsText;
 impl KeybindingsText {
     pub fn setup(mut commands: Commands) {
         commands.spawn((
-            Text2d::new("Press E When You Are Near To Lake"),
+            Text2d::new("E is Interaction Key"),
             TextLayout::new_with_justify(JustifyText::Center),
-            Transform::from_xyz(0.0, -300.0, 1.0),
+            Transform::from_xyz(0.0, -100.0, 1.0),
         ));
     }
 }
+
+#[derive(Debug, Component)]
+pub struct MoneyText;
+
+impl MoneyText {
+    pub fn setup(mut commands: Commands) {
+        commands.spawn((
+            Text::new("Money = 0"),
+            TextLayout::new_with_justify(JustifyText::Center),
+            Node {
+                position_type: PositionType::Absolute,
+                top: Val::Px(5.0),
+                right: Val::Px(5.0),
+                ..default()
+            },
+            MoneyText,
+        ));
+    }
+
+    pub fn update(
+        mut money_text_query: Query<&mut Text, With<MoneyText>>,
+        player_query: Query<&Player, With<Player>>,
+    ) {
+        let mut fish_counter_text = money_text_query.get_single_mut().unwrap();
+        let player = player_query.get_single().unwrap();
+
+        if *MONEY.read().unwrap() != player.fish_count {
+            *MONEY.write().unwrap() = player.fish_count;
+            *fish_counter_text = format!("Money = {}", player.money).into();
+        }
+    }
+}
diff --git a/src/water.rs b/src/water.rs
index 1a934c9..ec5d21c 100644
--- a/src/water.rs
+++ b/src/water.rs
@@ -1,6 +1,6 @@
 use bevy::prelude::*;
 
-use crate::{player::Player, FISHING_AREA_RADIUS};
+use crate::{player::Player, INTERACTION_AREA_RADIUS};
 
 #[derive(Debug, Component)]
 pub struct Water;
@@ -27,7 +27,7 @@ impl Water {
                 .translation
                 .distance(water_query.translation);
 
-            if distance < FISHING_AREA_RADIUS {
+            if distance < INTERACTION_AREA_RADIUS {
                 if keyboard.just_pressed(KeyCode::KeyE) {
                     player.fish_count += 1;
                 }