In each case, determine which invest yields the greater returns.

(a) Option A: $1000 invested at an APR of 8% compounding biweekly over 2 years. Option B: $500 invested at an APR of 6% compounding monthly over 15 years.

(b) Option A: $100 invested at an APR of 4% compounding continuously over 3 years. Option B: $100 invested at an APR of 5% compounding semi-annually over 1 year.

(c) Option A: $50 in 6 months and $50 in 12 months, assuming a risk-free rate of 3% compounding monthly. Option B: $95 today.

PLS ANSWER ASAP