Question 9 2 pts Use the Maximum Revenue information above to answer this question. The revenue function R(a ) has one critical number * =Maximum Revenue Jester's Deli sells 640 sandwiches at a price of $8 each. A market survey shows that for every $0.10 reduction in price, 40 more sandwiches will be sold. Let 33 represent the number of $0.10 reductions. Use this information to answer questions 5-12 below. Question 10 2 pts Use the Maximum Revenue information above to answer this question. Since R(5L') is continuous, we can determine the absolute maximum by evaluating R(m) at the endpoints and the critical number. After doing so, we see the maximum revenue occurs when a: : price reductions