0. You have been just hired as manager of a health spa which is the only spa in town. The owner has commissioned a market study that estimates the per person (average consumer's) monthly demand for visiting the health spa to be Q = 10 1 2 P. The cost of operating is C(Q) = 2Q, where Q is the number of visits. The owner has been charging a $64 per month membership fee and a $4 per-visit fee. What price p and per month membership fee f would you suggest? a) p = 2, f = 81 b) p = 1, f = 99 c) p = 3, f = 81 d) p = 0, f = 99.