1. What is the present value of $ 815,400 deposited in 23 years if the rates of interest are 6 percent for the first six years, 7 percent for the next 6 and 8 percent for the remaining period?
A) 119937.64
B) 119947.64
C) 119957.64
D) 119967.64
E) None of the Above
2. In how many years will 2,500 become 8,000 if k=2.5% simple interest per year?
A) 84
B) 86
C) 88
D) 90
E) None of the above