A medieval knight could not go to the armor maker and pick out a size 44 long suit of armor to protect him in battle. Nor could a person living in the middle ages go to the cobbler and get a pair of shoes in a few minutes. This period before the advent of marketing is known as the .

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?