Blossom Delivery Service reports the following costs and expenses in June $2022.$

$\backslash$table$[[$Indirect materials,$7,600],[$Depreciation on delivery equipment,$10,170],[$Dispatcher$\text{'}$s salary,$4,550],[$Property taxes on office building,$810],[$CEO$\text{'}$s salary,$10,920],[$Gas and oil for delivery trucks,$2,890],[$Driver$\text{'}$s salaries,$15,470],[$Advertising$,4,630],[$Delivery equipment repairs,$260],[$Office supplies,$630],[$Office utilities,$2,210],[$Repairs on office equipment,$160]]$

$($a$)$

Determine the total amount of delivery service $($product$)$ costs.

Product costs $