a$.$ Use the appropriate formula to determine the periodic deposit.

b$.$ How much of the financial goal comes from deposits and how much comes from interest?

$\backslash$table$[[$Periodic Deposit,Rate,Time,Financial Goal$],[\backslash$table$[[$$$?$ at the end of every three$],[$months$]],2\mathrm{.}5\%$ compounded quarterly,$4$ years,$$10,000$