Using Excel (All answers are from below table)
a. Annual loan repayment = 4313
b. Total interest paid = 4152
c. Total interest paid in second payment = 1243
d. Total principal paid in second payment = 3070
e.
| Total cost | 
13100 | 
 | 
 | 
 | 
 | 
| Down Payment | 
0 | 
 | 
 | 
 | 
 | 
| Amount of loan | 
13100 | 
 | 
 | 
 | 
 | 
| interest rate | 
12% | 
 | 
 | 
 | 
 | 
| time (yrs) | 
4 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Yearly payment | 
4313 | 
 | 
 | 
 | 
 | 
| Total amount paid | 
17252 | 
 | 
 | 
 | 
 | 
| Total interest paid | 
4152 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Year | 
Beginning Balance | 
Yearly Payment | 
Yearly Interest | 
Principle Amount | 
Ending Balance | 
| 1 | 
13100 | 
4313 | 
1572 | 
2741 | 
10359 | 
| 2 | 
10359 | 
4313 | 
1243 | 
3070 | 
7289 | 
| 3 | 
7289 | 
4313 | 
875 | 
3438 | 
3851 | 
| 4 | 
3851 | 
4313 | 
462 | 
3851 | 
0 | 
YES, All answers agree
Showing formula in Excel
| Total cost | 
13100 | 
 | 
 | 
 | 
 | 
| Down Payment | 
0 | 
 | 
 | 
 | 
 | 
| Amount of loan | 
=B1-B2 | 
 | 
 | 
 | 
 | 
| interest rate | 
0.12 | 
 | 
 | 
 | 
 | 
| time (yrs) | 
4 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Yearly payment | 
=PMT(B4,B5,-B3) | 
 | 
 | 
 | 
 | 
| Total amount paid | 
=B7*B5 | 
 | 
 | 
 | 
 | 
| Total interest paid | 
=B8-B3 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Year | 
Beginning Balance | 
Yearly Payment | 
Yearly Interest | 
Principle Amount | 
Ending Balance | 
| 1 | 
=B3 | 
=$B$7 | 
=B12*($B$4) | 
=C12-D12 | 
=B12-E12 | 
| 2 | 
=F12 | 
=$B$7 | 
=B13*($B$4) | 
=C13-D13 | 
=B13-E13 | 
| 3 | 
=F13 | 
=$B$7 | 
=B14*($B$4) | 
=C14-D14 | 
=B14-E14 | 
| 4 | 
=F14 | 
=$B$7 | 
=B15*($B$4) | 
=C15-D15 | 
=B15-E15 |