Question $10(1$ point$)$The payments required on a contractual obligation are $$800$ per month. The contract was purchased for $$9,250$ just before a regular payment date. The purchaser determined this price based on a required rate of return of $4\mathrm{.}3\%$ compounded monthly. How many payments will be required, include the partial final payment? a$18$ payments b$24$ payments c$21$ payments d$9$ payments e$12$ payments