Shelhorse Corporation produces and sells a single product. Data concerning that product appear below: Per UnitPercent of Sales Selling price$160 100% Variable expenses 40 25% Contribution margin$120 75% Fixed expenses are $345,000 per month. The company is currently selling 4,000 units per month. Required: The marketing manager believes that a $14,000 increase in the monthly advertising budget would result in a 140 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?