QUESTION $2($CLO $2)$

If someone borrowed RM$6,000$ and managed to pay after $10$ months with a total of

RM$6,375,$

a$)$ What will be the value of interest charged?

b$)$ What is the corresponding nominal interest rate, compounding semi$-$annually?

c$)$ What will be the amount of money if they fail to pay after a year?