jkenne3 · jkenne3 · May 27, 2020 · May 29, 2020
diff --git a/.vscode/launch.json b/.vscode/launch.json
@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/index.js"
+        }
+    ]
+}
diff --git a/index.js b/index.js
@@ -2,9 +2,16 @@
 
 // 🏡 Task 1: Variables
 /* Create variables for principal, interest rate, and years. Assign them the values 200000, 0.05, and 30 respectively. Create another value called name and give it the value of your own name.
-*/
 
+Task 1 test:
+
+*/
+const principal = 200000;
+const interestrate = 0.05;
+const years = 30;
+const name = 'Jim';
 
+/*
 
 
 
@@ -16,6 +23,10 @@ Create a variable called `monthlyInterestRate` and give it the value of interest
 Create another variable called `periods` and give it the value of years*12.
 */
 
+const monthlyInterestRate = interestrate / 12; 
+const periods = years*12;
+
+
 
 
 
@@ -30,6 +41,14 @@ When your math is correct, monthlyRate will equal 1073.64
 */
 
 
+const numerator = monthlyInterestRate * Math.pow((1+monthlyInterestRate), periods);
+const denominator = Math.pow((1+monthlyInterestRate), periods) - 1;
+
+const monthlyrate = principal * (numerator / denominator);
+
+
+
+
 
 
 // 🏡 Task 3: Function
@@ -38,6 +57,12 @@ When your math is correct, monthlyRate will equal 1073.64
 If your name is `Oscar` mortgageCalculator() should return "Oscar, your monthly rate is 1073.64"
 */
 
+function mortgageCalculator() {
+    console.log(name + ", your monthly rate is $" + monthlyrate)
+}
+
+mortgageCalculator();
+
 
 
 
@@ -49,7 +74,11 @@ For example,
 mortgageCalculator(200000, 0.05, 30); <-- should return 1,073.64
 */
 
-
+function mortgageCalculator(P,I,N) {
+    console.log(P * (I * Math.pow((1+I),N)) / (Math.pow((1+I), N) -1));
+}
+
+mortgageCalculator(200000, .00416667, 360);
 
 
 
@@ -59,6 +88,23 @@ mortgageCalculator(200000, 0.05, 30); <-- should return 1,073.64
 Then, add control flow within your function such that IF creditScore is above 740, interest rate drops by 0.5%, if credit score is below 660, interest rate increases by 0.5% and if credit score is anywhere between 660 and 740 interest rate doesn't change.
 */
 
+function task5mortgageCalculator(P,I,N,creditScore) {
+    if (creditScore > 740){
+        I = I - 0.005;
+    }
+    if (creditScore < 660){
+        I = I + 0.005;
+    }
+    if (creditScore < 740 && creditScore > 660){
+        I = I
+    }
+
+    console.log(P * (I * Math.pow((1+I),N)) / (Math.pow((1+I), N) -1));
+}
+
+task5mortgageCalculator(principal, monthlyInterestRate, periods, 650);
+
+
 
 
 
@@ -78,6 +124,18 @@ For example, variableInterestRate(200000, 0.04, 30) should console.log:
 "{Name}, with an interest rate of 0.06, your monthly rate is $1199"
 */
 
+function variableInterestRate(name, P, I, N){
+    const periods = N * 12;
+    I = I - 0.025;
+    for (let i = 0; i < 10; i++){
+        I = I + 0.005;
+        let monthlyInterestRate = I / 12;
+        let monthlyRate = (P * (monthlyInterestRate * Math.pow((1 + monthlyInterestRate), periods)) / (Math.pow((1 + monthlyInterestRate),periods) -1));
+        console.log(name + ", with an Interest rate of " + I.toFixed(3) + ", your monthly rate is " + "$" + monthlyRate.toFixed(0))
+    }
+}
+
+variableInterestRate(name, 200000, .04, 30);