Consider again problem 3. through a series of web-based experiments, eastman has created a predictive model that estimates demand as a function of price. the predictive model is demand 5 2 4,000 6p, where p is the price of the e-book. a. update your spreadsheet model constructed for problem 3 to take into account this demand function. b. use goal seek to calculate the price that results in breakeven. c. use a data table that varies price from $50 to $400 in increments of $25 to find the price that maximizes profit. camm, jeffrey d.. business analytics (p. 494). cengage learning. kindle edition.