The price, in dollars per units, that consumers are willing to pay for a popular high-end digital camera is given by the accompanying function, where x is in thousands of units. Complete parts (a) and (b). p(x) = 1540 - 140 In x a) What price corresponds to a demand of 230,000 units? How can the price that corresponds to a demand of 230,000 units be found? Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer.) A. Evaluate p( 230 ). O B. Solve = 1540 - 140 In x for x. The price that corresponds to a demand of 230,000 units is $ (Round to the nearest cent as needed.) Enter your answer in the answer box and then click Check Answer. ? 2 parts remaining Clear All Check AnswerSuppose that the price p, in dollars, and the number of sales, x, of a certain item are related by 6p + 3x + 2px =82. If p and x are both functions of time, measured in days. Find the rate at which x is changing dp when x = 4, p =5, and dt 1.3. The rate at which x is changing is (Round to the nearest hundredth as needed.)