Task: Question Answering
Input (English): Problem: a certain social security recipient will receive an annual benefit of $ 12,000 provided he has annual earnings of $ 9,360 or less, but the benefit will be reduced by $ 1 for every $ 3 of annual earnings over $ 9,360. what amount of total annual earnings would result in a 40 percent reduction in the recipient ' s annual social security benefit ? ( assume social security benefits are not counted as part of annual earnings. )
Options: a. $ 15,360, b. $ 17,360, c. $ 18,000, d. $ 21,360, e. $ 30,960
Output (English): e