answering interpret 1 and fixed its error

Author: TzeMingHo

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;
@@ -13,10 +13,26 @@ console.log(`The percentage change is ${percentageChange}`);
 
 // a) How many function calls are there in this file? Write down all the lines where a function call is made
 
+    // There are 4 function calls in this file
+    // Line 4: carPrice.replaceAll(",", "")
+    // Line 4: Number(carPrice.replaceAll(",", ""))
+    // Line 5: priceAfterOneYear.replaceAll("," "")
+    // Line 5: Number(priceAfterOneYear.replaceAll("," ""))
+
 // 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?
 
+    // The error is coming from line 5
+    // The error is due to a missing comma
+    // Add a comma between the two quotations
+
 // c) Identify all the lines that are variable reassignment statements
 
+    // Line 4 and Line 5
+
 // d) Identify all the lines that are variable declarations
 
+    // Line 1, Line 2, Line 7 and Line 8
+
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+
+    // The expression is replacing all the commas in the string carPrice with nothing, and then converting it to a number type