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Use the following information to answer questions 11 through 15. Cozy Mountain Ski Resort operated at a loss during the month of August. It compiled the following information for that month. The owner believes that 40% of the August expenses are variable expenses. Sales mix, selling prices, and costs are expected to remain stable for at least the next two years 11 Compute Cozy Mountain's contribution margin ratio 12. Compute the amount of revenue Cozy must eam in order to breakeven. Round your answer up to the nearest whole dollar. 13. Refer to the original data in the information box. Cozy Mountain's management believes that radio advertising will increase its sales volume by 12%. Compute the most it should be willing to pary for this advertising. a. $40,320 b. $252,000 c. $139,200 d. $240,000 14. Refer the original data in the information box. Cozy Mountain expects its sales volume to increase in September, generating an additional $250,000 in revenue. Compute the total net operating income it should expect for September. 15. Again refer only to the original data in the information box. Cozy Mountain expects sales volume in October to be the same as in August. Compute the amount by which Cozy must decrease fixed costs in order to generate a net operating income of $150,000 in October