Carla charges $ 30 per day to board a dog. The variable cost to feed and handle a dog is $4 per day. The fixed costs for maintaining the Carla are $ 171,000 per year, and the company's income tax rate is 30%. The measure of volume is dog-days. For example, 3 dogs boarded for 4 days plus 1 dog boarded for 6 days yields 18 dog-days of service and revenue). x Your answer is incorrect If the firm expects an annual volume of 7.900 dog.days of boarding, what is the expected after-tax pront? Expected after-tax profit $ 7900 alf the firm anticipates an annual volume of 6.900 dog-days of boarding, what is the margin of safety in terms of dog-days? answer to 0 decimal places, eg. 125.) Margin of safety 6900 dog-days e Textbook and Media x Your answer is incorrect. The owner believes that an after-tax profit of $ 100.200 is needed to justify being in business. How many dog-days are requis meet this goal? (Round answer to 0 decimal places, eg. 125.) 100200 dog-days Dog-days required