Use the following information to answer the question:

. Acquired $30,000 of Capital from owners.

. Paid $10,000 for all material used in starting and completing 50 products this period.

. Paid $6,000 for administrative salaries.

. Paid $8,000 for wages of production workers.

. Depreciation of office furniture $2,500.

. Depreciation of manufacturing equipment $3,500.

. Collected $28,000 in cash for all sales made during the period.

Period Costs for the period were?

a.$ 30,000

b.$38,500

c.$ 8,500

d.$ 21,500