Electricity has a negative production externality because a. a marginal external cost lowers the marginal benefit from consuming it b. the marginal private cost of producing it increases as more of it is produced c. its marginal benefit decreases as more of it is consumed d. the marginal social cost of producing it exceeds the marginal private cost of producing it

Laws corporation is considering the purchase of a machine costing $16,000. estimated cash savings from using the new machine are $4,120 per year. the machine will have no salvage value at the end of its useful life of six years and the required rate of return for laws corporation is 12%. the machine's internal rate of return is closest to (ignore income taxes) (a) 12% (b) 14% (c) 16% (d) 18%

The following are line items from the horizontal analysis of an income statement:increase/ (decrease) increase/ (decrease) 2017 2016 amount percent fees earned $120,000 $100,000 $20,000 20% wages expense 50,000 40,000 10,000 25 supplies expense 2,000 1,700 300 15 which of the items is stated incorrectly? a. fees earned b. supplies expense c. none of these choices are correct. d. wages expense

Which is the most compelling reason why mobile advertising is related to big data?