9-2) You invest $1,000 at a variable rate of interest. Initially the rate is 4% compounded annually for the first year, and the rate increases one-half of one percent annually for five years (year twos rate is 4.5%, year threes rate is 5.0%, etc.). How much will you have in the account after five years? a. $1,462 b. $1,359 c. $1,276 d. $1,338