3) a firm competing in the economy market with a cost per available sear mile of 0.17 (industry average $0.21) revenue per passenger mile of 0.22 (industry average: $0.35), and marketing expense of 0.5% of revenue. what would you recommend they do to increase profitability? a) offer fare sales b) improve cabin service c)increases marketing d) reduces operating costs

Answer is not reduce operating costs: I have tried it. Its wrong

Kindly let me know why its wrong??