add sell value to description

core/src/xyz/magicjourney/nebulaquest/entity/Buyable.java

@@ -43,8 +43,12 @@ default boolean isDecisionRequired(Player player) {
 
   default void sell() {
     if (this.getOwner().isPresent()) {
-      this.getOwner().get().giveMoney(this.getValue());
+      this.getOwner().get().giveMoney((int) (this.getValue() * 0.7f));
       this.setOwner(null);
     }
   }
+
+  default int getSellValue() {
+    return (int) (this.getValue() * 0.7f);
+  }
 }

core/src/xyz/magicjourney/nebulaquest/ui/panel/views/interactive/DescriptionInteractiveView.java

@@ -27,6 +27,7 @@ public class DescriptionInteractiveView extends AbstractInteractiveView {
   protected Label description;
   protected Label price;
   protected Label fee;
+  protected Label sell;
   protected Label owner;
   protected Label region;
 
@@ -48,6 +49,7 @@ public DescriptionInteractiveView(AssetManager assets, InteractivePanel parent,
     this.price = new Label("", this.skin, "small");
     this.fee = new Label("", this.skin, "small");
     this.owner = new Label("", this.skin, "small");
+    this.sell = new Label("", this.skin, "small");
 
     this.sellButton = new ActionButton("Sell", true, assets);
     this.sellButton.onClick().subscribe(handleSellClick);
@@ -87,6 +89,7 @@ public void display(Describable entity) {
       this.price.setText("Value: " + buyable.getValue());
       this.fee.setText("Residence fee: " + buyable.getFee());
       this.owner.setText("Owner: " + buyable.getOwner().map((p) -> p.getName()).orElse("Free"));
+      this.sell.setText("Sell value: " + buyable.getSellValue());
     }
 
     if (this.icon instanceof Field field) {
@@ -139,6 +142,7 @@ protected void createLayout(Describable entity, boolean displayDescription) {
       this.add(price).row();
       this.add(fee).row();
       this.add(owner).row();
+      this.add(sell).row();
 
       if (buyable.isOwner(this.player)) {
         this.addSpacer();