diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs
index 7bd3f589..201b96b5 100644
--- a/exercises/quiz1.rs
+++ b/exercises/quiz1.rs
@@ -8,10 +8,11 @@
 // more than 40 at once, each apple only costs 1! Write a function that calculates
 // the price of an order of apples given the quantity bought. No hints this time!
 
-// I AM NOT DONE
-
 // Put your function here!
-// fn calculate_apple_price {
+fn calculate_apple_price(quantity: u32) -> u32 {
+    let price = if quantity > 40 { 1 } else {2};
+    price * quantity
+}
 
 // Don't modify this function!
 #[test]