You currently are spending $80/year renting a pressure washer to clean your house. the cost of a new pressure washer is $800. if you bought the pressure washer, how many years would it take to obtain full payback on your original investment relative to renting (use a simple payback calculation).

Gary becker's controversial the economics of discrimination concludes that price discrimination has no effect on final profits. price discrimination benefits monopolies. labor discrimination in hiring results in more efficient allocations of production. discrimination in hiring practices has no effect on final profits. labor discrimination harms firms that practice it due to increased labor costs. price discrimination harms monopolies, which refutes over two centuries of economic theory.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Penelope summers received certain income benefits in 2018. she received $1,400 of state unemployment insurance benefits, $2,000 from a federal unemployment trust fund and $3,700 workers’ compensation received for an occupational injury. what amount of the compensation must penelope include in her income