Benjamin, Inc., operates an export/import business. The company has considerable dealings with companies in the country of Camerrand. The denomination of all transactions with these companies is alaries (AL), the Camerrand currency. During 2017, Benjamin acquires 25,000 widgets at a price of 8 alaries per widget. It will pay for them when it sells them. Currency exchange rates for 1 AL are as follows: September 1, 2017 $ 0.48 December 1, 2017 0.42 December 31, 2017 0.50 March 1, 2018 0.43

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Nnette henri is paid an hourly wage of $8.90 for a 32-hour workweek of 4 days, 8 hours daily. for any work on the fifth day and on saturdays, she is paid one and one-half times her regular hourly rate. during a certain week, in addition to her regular 32 hours, henri worked 6 hours on the fifth day and 5 hours on saturday. for this workweek, henri’s total earnings are:

George retired from a local law firm and then volunteered to oversee a nonprofit's legal records. george is performing the duties of a: