Answer:
a. $180,850
b. $390,269
c. $74,837
Explanation:
a. The computation of the manufacturing overhead is shown below:
= Factory utilities  + Depreciation on factory equipment + Property taxes on factory building  + Indirect factory labor  + Indirect materials + Factory repairs+ Factory manager salary
=  $16,120  + $13,703 + $2,894 + $52,814 + $83,926 + $3,044  + $8,349
= $180,850
b. The computation of the product cost is shown below:
= Direct materials used + Direct labor +  manufacturing overhead
= $139,734 + $69,685 + $180,850
= $390,269
c. The computation of the period cost is shown below:
= Sales salaries + Depreciation on delivery trucks + Repairs to office equipment +  Advertising + Office supplies used 
= $49,631 + $4,044 + $2,185 + $15,670 + $3,307
= $74,837