Babineaux Company incurred the following costs in May 2010:

‘Paid a six month (May through October) premium for insurance of company headquarters, $18,600.

‘Paid $1,000 fee for a salesperson to attend a seminar in July.

‘Paid three months (May through July) of property taxes on its factory building, $15,000.

‘Paid a $10,000 bonus to the company president for his performance during May 2010.

‘Accrued $20,000 of utility costs, of which 40 percent was for the headquarters and the remainder was for the factory.

a. What expired period costs are associated with the May information?

$

b. What unexpired period costs are associated with the May information?

$

c. What product costs are associated with the May information?

$

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