Victoria invested the following amounts of money at 4.5% rate of return: $8,500 at the beginning of year 1,$6,200 at the beginning of year 5 , and $2,100 at the beginning of year 8 . Considering the above investments, determine the monetary worth of Victoria at the beginning of year 12 . Select one: a. $57,000 b. $18,890 C. $20,000 d. $24,565