Which of the following statements is true of mass customization?a. It is the best option when products need to be customized from start to end. b. It works best if a product can be brokeninto modules that offer different features. c. It does not need the additional costs of creating need-specific components. d. It does not require standard core components to be produced in large scale.

Data for hermann corporation are shown below: per unit percent of sales selling price $ 125 100 % variable expenses 80 64 contribution margin $ 45 36 % fixed expenses are $85,000 per month and the company is selling 2,700 units per month. required: 1-a. how much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,000 and monthly sales increase by $20,000? 1-b. should the advertising budget be increased?