Ryan has a perpetuity immediate and Nina has a 21 year annuity immediate. Both annuities pay monthly and have the same value. Nina's monthly payment is 1.5 times Ryan's. What is the effective monthly interest rate?

A: 0.45439%

B: 0.45002%

C: 0.43691%

D: 0.42817%

E: 0.41506%

Billy has a monthly pay annuity due lasting for 38 months. His monthly payments are $175.00 and his last payment will be a drop payment of $50.00. The nominal annual interest rate is 7.00% compounded quarterly. What is the present value of his annuity?

A: $6004.12

B: $5650.94

C: $5886.40

D: $6062.99

E: $5827.53