Proposing Changes in Variable Costs, Fixed Costs, Selling Price, and Volume [LO2- CC5] Data for Hermann Corporation are shown below: Per Unit Percentage of Sales Sales price $90 100 Less: Variable expenses 63 70 Contribution margin $27 30 Fixed expenses are $40,000 per month, and the company is selling 2,000 units per month. Required: 1. The marketing manager argues that a $4.000 increase in the monthly advertising budget would increase monthly sales by $9,000. Should the advertising budget be increased? 2. Refer to the original data. Management is considering using higher-quality components that would increase the variable cost by $2.00 per unit. The marketing manager believes the higher-quality product would increase sales by 10% per month. Should the higher-quality components be used