Alison is selling and buying baseball cards online. she sells each card for $3.25 and buys each card for $5.50. if she sold 4 cards and bought 7 cards, did she end up making money or spending money and how much money did she spend or make? a) she made $0.75 b) she made $51.50 c) she made $25.50 d) she spent $25.50 e) she spent $51.50