A man has $460,000 invested in three rental properties. One property earns 6.5% per year on the investment, the second earns 7%, and the third earns 9%. The total annual earnings from the three properties is $36,350, and the amount invested at 9% equals the sum of the first two investments. Let x equal the investment at 6.5%, y equal the investment at 7%, and z represent the investment at 9%. Complete parts (a) through (d) below.