Explain your agreement or disagreement with the inclusion of the following items among a firm’s current liabilities:

a. Estimated future expenditures to provide warranty repairs on items sold prior to the balance sheet date.

b. Estimated future expenditures for legal costs to be incurred in defending the firm from product liability suits filed before the balance sheet date.

c. Accrued restructuring costs due to a plant closure.

d. Contingent liability resulting from environmental damages caused by illegal dumping of hazardous waste materials. LOP9