BB Corp had the following purchases with Action Jackson Corp: 4/1 Purchased $200 merchandise terms 2/10, n/30 4/5 Purchased $400 merchandise terms 2/10, n/30 4/8 Returned $100 of the merchandise purchased on 4/5 If BB Corp pays Action Jackson on 4/9, the amount paid is $500 $490 $588 $0 $600