Leah is in the market for a vintage album by Nat King Cole and has decided to use Ebay to try and find this unique product. She is thrilled when she learns that a woman in Tucson, Arizona is actually selling her mint condition album and that no one has bid on it yet. After her winning bid on the auction, Leah pays the seller and anxiously awaits the album by mail the next week. This transaction can best be defined as a:

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?