Interpret exercise 1

Author: Alaterry8

Sprint-2/3-mandatory-interpret/1-percentage-change.js

@@ -2,7 +2,7 @@ let carPrice = "10,000";
 let priceAfterOneYear = "8,543";
 
 carPrice = Number(carPrice.replaceAll(",", ""));
-priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
 
 const priceDifference = carPrice - priceAfterOneYear;
 const percentageChange = (priceDifference / carPrice) * 100;
@@ -12,11 +12,17 @@ console.log(`The percentage change is ${percentageChange}`);
 // Read the code and then answer the questions below
 
 // a) How many function calls are there in this file? Write down all the lines where a function call is made
+// Both Number functions on line 4 and 5
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
+// In line 5, in the .replace.All method, there was a missing comma between what was being replaced and by what. 
 
 // c) Identify all the lines that are variable reassignment statements
+// Line 4 and 5
 
 // d) Identify all the lines that are variable declarations
+// Lines 1, 2, 7 and 8
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+// The purpose of the Number function is to turn a value, in this case a string into a number data type. 
+// The expression is replacing the commas in the carPrice string with nothing so that it can be turned into a number