Jake$$s Roof Repair has provided the following data concerning its costs:

Fixed Cost

per Month Cost per

Repair$-$Hour

Wages and salaries $ $21,300$ $ $15\mathrm{.}00$

Parts and supplies $ $7\mathrm{.}00$

Equipment depreciation $ $2,780$ $ $0\mathrm{.}40$

Truck operating expenses $ $5,760$ $ $1\mathrm{.}80$

Rent $ $4,620$

Administrative expenses $ $3,900$ $ $0\mathrm{.}60$

For example, wages and salaries should be $$21,300$ plus $$15\mathrm{.}00$ per repair$-$hour. The company expected to work $2,500$ repair$-$hours in May, but actually worked $2,400$ repair$-$hours. The company expects its sales to be $$52\mathrm{.}00$ per repair$-$hour. $\backslash$table$[[$Jake$\text{'}$s Roof Repair,$],[$For the Month Ended May $31,],[$Revenue$,,$U$],[$Expenses:$,,],[$Wages and salaries,,F$],[$Parts and supplies,,F$],[$Equipment depreciation,,F$],[$Truck operating expenses,,F$],[$Rent$,,$None$],[$Administrative expenses,,F$],[$Total expense,,F$],[$Net operating income,,U$]]$