41. (Product and period costs) Alexander Company incurred the following costs in August 2000:

• Paid a six-month premium for insurance of company headquarters, $12,000.

• Paid three months of property taxes on its factory building, $7,500.

• Paid a $40,000 bonus to the company president.

• Accrued $10,000 of utility costs, of which 30 percent was for the headquarters and the remainder for the factory.

a. What expired period cost is associated with the August information?

b. What unexpired period cost is associated with the August information?

c. What product cost is associated with the August information?

d. Discuss why the product cost cannot be described specifically as expired or unexpired in this situation.