diff --git a/calculate.js b/calculate.js
index 6559d18..06b7e97 100644
--- a/calculate.js
+++ b/calculate.js
@@ -8,6 +8,7 @@ function calculate() {
   var numReg = /^\d+$/;
   var final = 0;
   var i = 0;
+  var contribution = 0;
 
   // Get user input
 
@@ -28,18 +29,20 @@ function calculate() {
   }
 
   var rate = rate * 0.01
-  console.log(rate)
+  //console.log(rate)
   var interest = amount * rate
-  console.log(interest)
+  //console.log(interest)
   var final = amount;
 
   for (i = 0; i < time; i++) {
       var final = +final + (+final * +rate)
       console.log(final)
+      var final = +final + +contribution
+      console.log(final)
 }
-console.log("Test")
-console.log(final)
-
+//console.log("Test")
+//console.log(final)
+var final = final.toFixed(2);
   //Show result
   alert("You final investment amount is $" + final);
   document.getElementById("interest").innerHTML = "Your final investment amount is $" + final;