Required information Exercise 6-5 Changes in Variable Costs, Fixed Costs, Selling Price, and Volume (L06-4) The following information applies to the questions displayed below.) Data for Hermann Corporation are shown below. Per Unit 5120 Percent of Sales 1009 Selling price Variable expenses Contribution nargin $. 42 350 Fixed expenses are $84,000 per month and the company is selling 2.600 units per month, Exercise 6-5 Part 1 Required: 1-a. How much will net operating income increase (decrease) per month of the monthly advertising budget Increases by $8,900 and monthly sales increase by $18,000? 1.6. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Reg 1A Reg 10 How much will net operating income increase (decrease) per month of the monthly advertising budget increases by 18,900 and monthly sales increase by $18,0007 (Round any unit calculations up to the nearest whale unit) Natapetting income Reg 10 )