Use the following information to answer the question: 1. Acquired $30,000 of Capital from owners. 2. Paid $10,000 for all material used in starting and completing 50 products this period. 3. Paid $6,000 for administrative salaries. 4. Paid $8,000 for wages of production workers. 5. Depreciation of office furniture $2,500. 6. Depreciation of manufacturing equipment $3,500. 7. 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