A Miami University Farmer School of Business book publisher has fixed costs of $320,000 and variable costs per book of $9.00. The book selis for $20.00 per copy. a. How many copies of the book must be sold to break even? (Roundup your answer to the next whole number.) Books to be sold b. If the MU book publisher purchased additional equipment, would the new break-even point be higher or lower? Higher Lower It would remain the same There is insufficient information to answer this question c. If the MU book publisher's paper price decreased, would the new break-even point be higher or lower? Higher Lower It would remain the same There is insufficient information to answer this