I'm not too sure myself (cause Im a learning student myself at the age of 16 and I learn it in a completely different language) I cant really understand c) sorry for my poor english but I think I have gave you enough tips to do c)
Answer:
2
Step-by-step explanation:
x(60) = 12(10) -->
x(60) = 120 -->
x = 2
We have a deposit of $2000 into an account that pays 6% compounded monthly, after a year we will have:

The effective annual yield (EAY) will be:

The EAY is 101.22%