Betsy, a recent retiree, requires $6 comma 0006,000 per year in extra income. She has $60 comma 00060,000 to invest and can invest in B-rated bonds paying 1313% per year or in a certificate of deposit (CD) paying 33% per year. How much money should be invested in each to realize exactly $6 comma 0006,000 in interest per year?
