WGU C268 Study Guide for EXCEL PA
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AMORTIZATION 1. Calculate the payment amount for the loan in cell
C15. Reference the cells containing the appropriate loan
information as the arguments for the function you use. Cells C20-C67
in the "Payment" column are populated with the payment amount
from cell C15.
Ans: =PMT(C13/12,C12,C11)
2. Calculate, in cell D20, the interest amount for period 1 by
multiplying the balance in period 0 (cell F19) by the loan interest rate
(cell C13) divided by 12. Dividing the interest rate by 12 results in the
monthly interest rate. This formula is reusable. The interest for a given
period is always the monthly interest rate times the balance from the
previous period.
Ans: =F19*C$13/12
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3. Copy the Interest amount calcualtion down to complete the
"interest" column of the amortization table.
Ans: Paste down column .
4. Calculate, in cell E20, the principal amount for period 1. The
principal amount is the difference between the payment amount
(cell C20) and the interest amount (cell D20) for period 1. Construct
your formula in such a way that it can be reused to complete the
"principal" column of the amortization table.
Ans: =C20-D20
5. Copy the principal amount calculation down to complete the
"principal" column of the amortization table.
Ans: Copy and paste down.
6. Calculate, in cell F20, the balance for period 1. The balance is the
difference between the balance for period 0 (cell F19) and the
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principal amount for period 1 (cell E20). This formula is reusable. The
balance is always calculated as the difference between the
balance from the previous period and the principal amount for the
current period.
Ans: =F19-E20
7. Copy the balance amount calculation down to complete the
balance column of the amortization table.
Ans: Copy and paste down.
8. Calculate, in cell G12, the total amount paid by multiplying the
payment amount (cell C15) by the term of the loan (cell C12).
Ans: =C15*C12
9. Calculate the total interest paid in cell G13. The total interest paid
is the sum of all interest paid in the "Interest" column of the
amortization table.
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Ans: =SUM(D20:D67)
10. To verify that the total interest calculation from the amortization
table is correct, calculate the total interest paid in cell G14. This is the
difference between the Total Amount Paid over the course of the
loan and the original Loan Amount. Notice the negative sign
associated with the original Loan Amount.
Ans: =G12+C11
11. Assume you have made the first 36 payments on your loan. You
want to trade the car in for a new car. You believe that you can sell
your car for $4000. Will this cover the balance remaining on the car
in period 36? Answer either "Yes" or "No" in cell G15 from the drop-
down menu.
Ans: No
FOUR Js 1. Use the HLOOKUP function to complete the "Hourly Wage"
column of table 1. Use the "Employee" column of table 1 as the