A water company has the monopoly in the water market and sells 7 units of output at $5.00 per unit and 8 units of output at $4.90 per unit. If the water company produces and sells the eighth unit, what must its marginal cost be

True or false: a smart store layout moves customers in and out as fast as possible. a) true b) false

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

One cost-of-living indicator available on the internet shows that a salary of $40,000 in santa barbara, california, is equivalent to $14,000 in wichita, kansas. this is primarily because of housing, which is much less expensive in wichita. what does this difference say about how the federal government calculates poverty?