Add new file

activity_discount_percent.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".DiscountPercent">
+
+    <Button
+        android:id="@+id/generate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="328dp"
+        android:text="Percent off"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/generatenumber"
+        android:layout_width="wrap_content"
+        android:layout_height="200dp"
+        android:layout_marginEnd="320dp"
+        android:maxLines="1"
+        app:autoSizeTextType="uniform"
+        app:layout_constraintBottom_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent" />
+
+    <Button
+        android:id="@+id/button5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_centerHorizontal="true"
+        android:text="For how long would you like your car?"
+        tools:ignore="MissingConstraints"
+        tools:layout_editor_absoluteX="46dp"
+
+        tools:layout_editor_absoluteY="460dp" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
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