11. Calculate the accumulated value at time 10 years of payments that are received continuously over each year. The payment is $200 during the first year, and each subsequent payment decreases by $15 per year, until the last payment of $80 is received. The annual effective interest rate is 4%. A. 1615.40 B. 1830.51 C. 1921.45 D. 2003.87 E. 2187.69 3+t 12. You are given & t>0. Calculate az 2 3+6t+t2 A. 1.1584 B. 1.2246 C. 1.2453 D. 1.2613 E. 1.3574