Calculate interest on the following amounts (ROUND TO NEAREST $):
		PRINCIPLE	RATE	TIME
A.		45,000	12%	90 days
B.		50,000	13%	4 months
C.		55,000	14%	5 months
D.		60,000	15%	180 days
BAD DEBTS
Prepare the journal entries to reflect these transactions.
A.	We sold merchandise on account to a customer:					25,000
B.	Customer pays on account:					9,000
C.	Customer refuses to pay, so write off amount owing.
D.	Customer agrees to make a payment on the note.					11,000