To help pay for college, you worked part$-$time at a local restaurant, earning $$20,000$ in wages and tips. Use the following information to complete parts $($a$)$ through $($c$).$

$\backslash$table$[[$Employee$\text{'}$s Rates,$\backslash$table$[[$Matching Rates Paid by$],[$the Employer$]],$Self$-$Employed Rates$],[\backslash$table$[[7\mathrm{.}65\%$ on first $$142,800$ of$],[$income$]],\backslash$table$[[7\mathrm{.}65\%$ on first $$142,800$ paid$],[$in wages$]],\backslash$table$[[15\mathrm{.}3\%$ on first $$142,800$ of net$],[$profits$]]],[\backslash$table$[[45\%$ of income in excess$],[$$$142,800$