P$13\mathrm{.}3$ A financial feasibility study is being carried out for a proposed new $120$seat restaurant. It will be open for both lunch and dinner from Monday through Saturday and for dinner only on Sunday. For the sake of simplicity, assume a $52-$week year. Seat turnover and average food check figures are estimated as follows:

$\backslash$table$[[,$Turnover,$\backslash$table$[[$Average Food$],[$Check$]]],[$Weekday lunch,$1\mathrm{.}50,$$$5\mathrm{.}60$