Answer:
Bailey have to sell Molly the cards
Explanation:
Bailey state that if Molly want to buy the cards, let him know by next month. she can give him a call or whatever, in the end of the letter that he has written to Molly. This statement indicates that before the next month, Molly can buy Bailey's baseball cards for $100. so, he has to sell it, if Molly wants to buy the card in the next 2 days.