For each transaction below, calculate the amount of expense to be recognized in the current period using accrual-basis accounting:

a. Paid $3,300 on account for supplies purchased last period. All supplies were used last period.

Expense to be recognized:

b. Paid $5,900 cash for advertising for the current period.

Expense to be recognized:

c. Employees worked in the current period but will not be paid until the following period, $4,300.

Expense to be recognized: