Crane provides environmentally friendly lawn services for homeowners. its operating costs are as follows.

$1,400 per month
$200 per month
$3,020 per month
weed and feed $18 per lawn
direct $15 per lawn
$3 per lawn

crane charges $80 per treatment for the average single-family lawn.

a. determine the company's break-even point in number of lawns serviced per month.
b. determine the company's break-even point in dollars.

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

How much does a neurosurgeon can make most in canada? give me answer in candian dollar

Both renewable and nonrenewable resources are used within our society. how do the uses of nonrenewable resources compare to the uses of renewable resources?