Precalculus

Let the demand function for a product be given by the function D(q) = -1.35q + 290, where q is the quantity of items in demand and D(q) is the price per item, in dollars, that can be charged when q units are sold. Suppose fixed costs of production for this item are $5, 000 and variable costs are $8 per item produced. If 159 items are produced and sold, find the following: A) The total revenue from selling 159 items (to the nearest penny). Answer: $ B) The total costs to produce 159 items (to the nearest penny). Answer: $ C) The total profits to produce 159 items (to the nearest penny. Profits may or may not be negative.). Answer: $