1.6.8 Smith forecasts that interest rates will rise over a 5-year period according to a force of interest function given by 8, = .08 +224 for 0 st 55. (a) According to this scheme, what is the average annual com- pound effective rate for the 5-year period? (b) What are the equivalent annual effective rates for each of years 1, 2, 3, 4, and 5? (c) What is the present value at t = 2 of 1000 due at t = 4