Millie's Bakery employees earn $450 a week for a five-day work week and are paid every Friday. If December 31 falls on a Wednesday, calculate the amount that is owed and select the adjusting entry needed to record the owed but unpaid salaries as of December 31.

a. Debit to Income Summary for $180 and a credit to Salaries Payable for $180.

b. Debit to Salaries Expense for $450 and a credit to Salaries Payable for $450.

c. Debit to Salaries Expense for $270 and a credit to Salaries Payable for $270.

d. Debit to Salaries Payable for $270 and a credit to Salaries Expense for $270.