Questions answered and errors fixed.

Author: russom

Sprint-1/3-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;
@@ -20,3 +20,19 @@ console.log(`The percentage change is ${percentageChange}`);
 // d) Identify all the lines that are variable declarations
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+
+// Answer
+// a) Line 4: Number(carPrice.replaceAll(",", "")); and carPrice.replaceAll(",", "")
+// a) Line 5: Number(priceAfterOneYear.replaceAll("," "")); and priceAfterOneYear.replaceAll("," "")
+
+// b) The error is coming from line 5. The error is occurring in the replaceAll method a comma is missing between ("," "") it should be (",", "") to fix the problem.
+
+// c) line 4: carPrice = Number(carPrice.replaceAll(",", ""));
+// c) line 5: priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
+
+// d) Line 1: let carPrice = "10,000";
+// d) Line 2: let priceAfterOneYear = "8,543";
+// d) Line 7: const priceDifference = carPrice - priceAfterOneYear;
+// d) Line 8: const percentageChange = (priceDifference / carPrice) * 100;
+
+// e) Number() is converting the string into a number. replaceAll() is removing the comma from the string.