The Henderson famlly wants to save money to travel the world. They plan to Invest in an ordinary annuity that earns 7.8% interest, compounded monthly. Payments will be made at the end of each month. How much money do they need to pay into the annuity each month for the annuity to have a total value of $13,000 after 13 years? Do not round intermediate computations, and round your final answer to the nearest cent. If necessary, refer to the list of financial formulas