Sales figures show that Mi Guadalajara Mexican Restaurant sold 500 beef fajitas, one of its most popular plates, per week when their price was $16.95 each and 480 beef fajitas per week at their current price of $17.95 each. Use the following formulas to find the linear demand function: slope:m = Y2-y 12-1 y-y =m(x-x) b. Express the revenue R as a function of the price p. c. Obtain a formula for the price elasticity of demand E. d. If the owner decides to increase the selling price to $18.95 per beef fajita. What would be the corresponding price elasticity of demand? Round to two decimal places. Interpret your answer.