A proximity sensor attached to the tip of an endoscope could reduce risks during eye surgery by alerting surgeons to the location of critical retinal tissue. If an eye surgeon expects that by using this technology he may avoid lawsuits of $0.6 and $1.35 million 2 and 5 years from now, respectively, how much could he afford to spend now provided his out-of- pocket costs for the lawsuits would be only 10% of the total amount of each suit? Use an interest rate of 10% per year.

What will be an ideal response?


P = 600,000(0.10)(P/F,10%,2) + 1,350,000(0.10)(P/F,10%,5)
= 60,000(0.8264) + 135,000(0.6209)
= $133,406

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Indicate whether the statement is true or false

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Heat pump thermostats generally require two stages of heating in order to control:

A) The first- and second-stage heat strips. B) The compressor and outdoor fan. C) The indoor and outdoor sections. D) The auxiliary heat.

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An inductor with an XL of 420 ? is in series with a capacitor with an XC of 120 ? across a sine wave ac source. The value of XS for the circuit is

A) 540 ? ?90° B) 300 ? ?-90° C) 540 ? ?-90° D) 300 ? ?90°

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The ____ effect is the buildup of heat in an interior space caused by energy input through a transparent membrane (such as glass) and is why homes heat up on sunny days.

A. hothouse B. insulation C. greenhouse D. sun storage

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