Bark Company is considering buying a machine for $240000 with an estimated life of 10 years and no salvage value. The straight-line method of depreciation will be used. The machine is expected to generate net income of $6000 each year. The cash payback period on this investment is

Seattle bank’s start-up division establishes new branch banks. each branch opens with three tellers. total teller cost per branch is $96,000 per year. the three tellers combined can process up to 90,000 customer transactions per year. if a branch does not attain a volume of at least 60,000 transactions during its first year of operations, it is closed. if the demand for services exceeds 90,000 transactions, an additional teller is hired and the branch is transferred from the start-up division to regular operations. required what is the relevant range of activity for new branch banks