Jacob wants to invite 20 friends to his birthday, which will cost his parents $250. If he decides to invite 15 friends instead, How much money will it cost his parents? Assume the relationship is directly proportional.

Carver company produces a product which sells for $30. variable manufacturing costs are $15 per unit. fixed manufacturing costs are $5 per unit based on the current level of activity, and fixed selling and administrative costs are $4 per unit. a selling commission of 10% of the selling price is paid on each unit sold. the contribution margin per unit is:

In addition to having a bachelor's degree in accounting, a certification will increase a tax accountant's job opportunities and allow them to file reports with the

White truffles are a very prized and rare edible fungus that grow naturally in the countryside near alba, italy. suppose that it costs $200 per day to search for white truffles. on an average day, the total number of white truffles (t) found in alba is t = 20x − x 2 , where x is the number of people searching for white truffles on that day. white truffles can be sold for $100 each. if there is no regulation, how many more people will be searching for white truffles than the socially optimal number?