As output increases, marginal cost Multiple Choice increases, but then turns negative. increases continuously. increases until it equals zero. decreases at a constant rate.

Brokers such as paypal benefit online businesses because they do not charge fees like credit cards. they deliver the money to the business immediately. they cannot store credit card numbers. the business does not have to get an account with credit-card companies.

The expenditures and receipts below are related to land, land improvements, and buildings acquired for use in a business enterprise. the receipts are enclosed in parentheses. money borrowed to pay building contractor (signed a note) $(276,500 ) (b) payment for construction from note proceeds 276,500 (c) cost of land fill and clearing 11,220 (d) delinquent real estate taxes on property assumed by purchaser 8,340 (e) premium on 6-month insurance policy during construction 12,060 (f) refund of 1-month insurance premium because construction completed early (2,010 ) (g) architect’s fee on building 27,040 (h) cost of real estate purchased as a plant site (land $206,800 and building $55,900) 262,700 (i) commission fee paid to real estate agency 9,620 (j) installation of fences around property 4,030 (k) cost of razing and removing building 10,130 (l) proceeds from salvage of demolished building (4,910 ) (m) interest paid during construction on money borrowed for construction 13,700 (n) cost of parking lots and driveways 17,690 (o) cost of trees and shrubbery planted (permanent in nature) 14,080 (p) excavation costs for new building 2,950 identify each item by letter and list the items in columnar form.

Jenna is saving for a sound system. while she is saving for her system, she finds the speakers for her system on sale for a good price and buys them. at the same time, mark is saving up to by a big-screen television. he sees some movies on sale and decides to buy them so that he can watch them on his new television when he buys it. which of the following statements best describes jenna's and mark's actions?