The Desert Dog and Cat Hotel is a pet hotel located in Las Vegas. Assume that in March, when dog-days (occupancy) were at an annual low of 500, the average cost per dog-day was $22. In July, when dog-days were at a capacity level of 4,500, the average cost per dog-day was $8.

(a) Develop an equation for monthly operating costs. (Let X = dog-days per month)

Total cost =

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+

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* X

(b) Determine the average cost per dog-day at an annual volume of 24,000 dog-days. (Round to the nearest cent.)

$

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