! Required information Exercise 5-5 Changes in Variable Costs, Fixed Costs, Selling Price, and Volume [LO5-4] The following information applies to the questions displayed below] Data for Hermann Corporation are shown below: Percent of Sales Per Unit Selling price Variable expenses $110 100% 77 70 Contribution margin $33 30% Fixed expenses are $82,000 per month and the company is selling 3,500 units per month Exercise 5-5 Part1 Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $8,700 and monthly sales increase by $18,500? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Req 1A Req 1B How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $8,700 and monthly sales increase by $18,500? (Do not round intermediate calculations.) Net operating income by > Req 1A Req 1B