Hard Nails and Bright Nails are competing nail salons. Both companies have the same number of customers. Both charge the same price for a manicure. The only difference is that Bright Nails pays its manicurists on a salary basis (i.e., a fixed cost structure) while Hard Nails pays its manicurists on the basis of the number of customers they serve (i.e., a variable cost structure). Both companies currently make the same amount of net income. If sales of both salons increase by equal amount, Hard Nails: ah Select one: A. will earn a higher profit than Bright Nails. B. will earn a lower profit than Bright Nails. C. will earn the same amount of profit as Bright Nails. D.The answer cannot be determined from the information provided