Which of the following is an example of a tying agreement? A) When purchasing a new digital music player, a buyer is given the option of buying songs. B) When purchasing a used car, a buyer is offered a discount on new tires. C) When purchasing a couch, the buyer is given free throw pillows. D) As part of purchasing a new computer, a buyer must also purchase a new monitor.

Advanced enterprises reports year-end information from 2018 as follows: sales (160,250 units) $968,000 cost of goods sold 641,000 gross margin 327,000 operating expenses 263,000 operating income $64,000 advanced is developing the 2019 budget. in 2019 the company would like to increase selling prices by 14.5%, and as a result expects a decrease in sales volume of 9%. all other operating expenses are expected to remain constant. assume that cost of goods sold is a variable cost and that operating expenses are a fixed cost. should advanced increase the selling price in 2019?