diff --git a/2-variables/piggy-bank/PiggyBank.swift b/2-variables/piggy-bank/PiggyBank.swift
index 54c97f1..28d1ebf 100644
--- a/2-variables/piggy-bank/PiggyBank.swift
+++ b/2-variables/piggy-bank/PiggyBank.swift
@@ -1,16 +1,21 @@
 // Piggy Bank 🐽
-// Sonny Li
+// Patrick Jakobsen
 
-var pesos: Double = 4
-var reais: Double = 5
-var soles: Double = 6
+/// Amount of each currency
+let pesos = 4.0
+let reais = 5.0
+let soles = 6.0
 
-var total: Double
+/// Exchange rates to USD
+let pesoRate = 0.058
+let realRate = 0.20
+let solRate = 0.29
 
-// 🇨🇴 Pesos conversion rate: 0.00029
-// 🇧🇷 Reais conversion rate: 0.24
-// 🇵🇪 Soles conversion rate: 0.29
+/// Convert all currencies into US Dollars
+let usdTotal =
+    pesos * pesoRate +
+    reais * realRate +
+    soles * solRate
 
-total = 0.00029 * pesos + 0.24 * reais + 0.29 * soles
-
-print("Total USD = $\(total)")
+/// Print the final amount
+print("US Dollars: $\(usdTotal)")