Suppose a nationwide sales manager sells a software package at $9 during the last quarter. The manager observes that the own-price elasticity for the so are is -0.83. At the end of each quarter, the manager receives a bonus equal to a ercentage of the sales revenue generated. To maximize the bonus, what should th manager do about price next quarter? 0 Keep price at $99. 0 Charge a price greater than $99. 0 Charge a price less than $99. 0 We need to know marginal cost to answer this