Answer :-
Step by step explanation :-
Here,
- Principal = 10,000
- Time = 1 year
- rate = 12 %
The intrest payable on 100$ for 1 year = 12 $
The interest payable on 10,000$ borrowed for 1 year
so, at the eand of the year , he has to give an amount of $ ( 10,000 + 1200 )