Mug shots operates a chain of coffee shops the company pays rent of $15.000 per year for each shop supplies napkins, bags and condiments are purchased as needed the managers of each shop are paid a salary of $2.500 per month and all other employees are paid on an hourly basis the cost of rent relative to the number of customers in a particular shop rent relative and relative to the number of customers in the entire chain of shops is which kind of cost respectively? Variable cost fixed cost Fixed cost/fixed cost Fixed cost variable cost Variable cost variable cost