I need the answer for the folowing

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

a.Paid $3,100 on account for supplies purchased last period. All supplies were used last period.

b.Paid $5,800 cash for advertising for the current period.

c.Employees worked in the current period but will not be paid until the following period, $5,300.