To provide for expansion, a company has established a sinking fund earning 10% monthly. The fund is anticipated to reach a balance of $73,000 in 12 years. Payments are made at the beginning of every month. (a) What is the size of the periodic payment? (b) What is the accumulated balance at the end of payment period 14? (a) The size of the periodic payment is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)