Changes in Variable Costs, Fixed Costs, Selling Price, and Volume Data for Moorefield Corporation are shown below: Fixed expenses are $65,000 per month, and the company is selling 2, 750 units per month. Required: The marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $12,000. Should the advertising budget be increased? Refer to the original data. Management is considering using higher-quality components that would increase the variable cost by $4 per unit. The marketing manager believes the higher-quality product would increase sales by 20% per month. Should the higher-quality components be used