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Solve the problem. Round to the nearest cent. Central Airlines offers a series discount of 15/10/5 for frequent flyers. If a round- trip airline ticket is $744, what is the net cost after the series discount? O $540.70 $203.30 $223.20 O $520.80 Solve the problem. Round to the nearest cent. The store where Anna-Marie is a salesperson offers a series discount of 40/30 on any clothes bought at the store. What is the cost of a $55 sweater after discount? $31.90 $23.10 $38.50 O $16.50