Last month when Holiday Creations, Inc., sold 39,000 units, total sales were $310,000, total variable expenses were $220,100, and fixed expenses were $36,300. Required: 1. What is the company's contribution margin (CM) ratio? 2. What is the estimated change in the company's net operating income if it can increase total sales by $1,500? (Do not round intermediate calculations.) | 1. Contribution margin ratio 2. Estimated change in net operating income Data for Hermann Corporation are shown below: Percent of Sales 100% 65 Per Unit $ 80 52 $ 28 Selling price Variable expenses Contribution margin 35% Fixed expenses are $76,000 per month and the company is selling 4,600 units per month. Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $10,000 an monthly sales increase by $25,000? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Reg 1A Req 1B How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $10,000 and monthly sales increase by $25,000? (Do not round intermediate calculations.) Net operating income by