When burger barn hires one worker, 10 customers can be served in an hour. when burger barn hires two workers, 25 customers can be served in an hour. the marginal product of the second worker is customers served per hour. a. 15 b. 30 c. 40 d. 67.5?

Xinhong company is considering replacing one of its manufacturing machines. the machine has a book value of $39,000 and a remaining useful life of 5 years, at which time its salvage value will be zero. it has a current market value of $49,000. variable manufacturing costs are $33,300 per year for this machine. information on two alternative replacement machines follows. alternative a alternative b cost $ 115,000 $ 117,000 variable manufacturing costs per year 22,900 10,100 1. calculate the total change in net income if alternative a and b is adopted. 2. should xinhong keep or replace its manufacturing machine

Downing company issues $5,000,000, 6%, 5-year bonds dated january 1, 2017 on january 1, 2017. the bonds pay interest semiannually on june 30 and december 31. the bonds are issued to yield 5%. what are the proceeds from the bond issue?

Astudent is considering publishing a new magazine aimed directly at owners of japanese automobiles. he wants to estimate the fraction of cars in the united states that are made in japan. the computer output to the right summarizes the results of a random sample of 50 autos. explain carefully what it tells you.