Marginal thinking is best demonstrated by: a. measuring all of the costs of a meal against all of the benefits when deciding whether to order a second milkshake b. deciding to never purchase a coat made with animal skins or furs c. choosing to spend one more hour studying economics because you think the improvement in your score on the next quiz will be worth the sacrifice of time. d. acquiring the information relevant to a choice before making that choice

Identifying transactions national park tours co. is a travel agency. the nine transactions recorded by national park tours during may 2019, its first month of operations, are indicated in the following t accounts: cash (1) 75,000 (2) 900 (7) 8,150 (3) 1,600 (4) 6,280 (6) 2,700 (9) 2,500 accounts receivable (5) 12,300 (7) 8,150 supplies (2) 900 (8) 660 equipment (3) 8,000 accounts payable (6) 2,700 (3) 6,400 beth worley, capital (1) 75,000 beth worley, drawing (9) 2,500 fees earned (5) 12,300 operating expenses (4) 6,280 (8) 660 indicate for each debit and each credit (a) whether an asset, liability, owner's equity, drawing, revenue, or expense account was affected and (b) whether the account was increased (+) or decreased account debited account credited transaction type effect type effect (1) (2) (3) (4) (5) (6) (7) (8) (9)

Which of the following statements is true regarding the reporting of outside interests and the management of conflicts? investigators are responsible for developing their own management plans for significant financial interests. the institution must report identified financial conflicts of interest to the u.s. office of research integrity. investigators must disclose their significant financial interests related to their institutional responsibilities and not just those related to a particular project. investigators must disclose all of their financial interests regardless of whether they are related to a research project.

Sam and diane are completing their federal income taxes for the year and have identified the amounts listed here. how much can they rightfully deduct? • agi: $80,000 • medical and dental expenses: $9,000 • state income taxes: $3,500 • mortgage interest: $9,500 • charitable contributions: $1,000.