Security personnel at airports, as well as clinical observers, may experience a steady decline in accuracy as a result of fatigue or of a gradual unintentional change in standards used when an observation continues for a long period of time. this is known specifically as observer:

Michigan mattress company is considering the purchase of land and the construction of a new plant. the land, which would be bought immediately (at t = 0), has a cost of $100,000 and the building, which would be erected at the end of the first year (t = 1), would cost $500,000. it is estimated that the firm's afterminustax cash flow will increase by $100,000 starting at the end of the second year, and that this incremental flow would increase at a 10 percent rate annually over the next 10 years. what is the approximate payback period?

What are the positive environmental trends seen today? many industries are taking measures to reduce the use( _gold,carbon dioxide,ozone_) of -depleting substances and are turning to(_scarce,renewable,non-recyclable_) energy sources though they may seem expensive. choose one of those 3 option to fill the

You have just made your first $5,500 contribution to your retirement account. assume you earn a return of 10 percent per year and make no additional contributions. a. what will your account be worth when you retire in 45 years? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. what if you wait 10 years before contributing?