Macro-Micro Brew Pub is considering the purchase of one of two hops brew roasters less filling or tastes great. Both should provide a benefit over a 10 year period and each requires an investment of $125,000. Looking at the following table which includes estimates of rates of return, probabilities for pessimistic, most likely and optimistic results.

	Hopster A Less Filling		Hopster B Tastes Great
Investment	Amount	Probability	Amount	Probability
	$125,000	1.00	$125,000	1.00
Rate of Return
Pessimistic	15%	.30	10%	.50
Likely	18%	.30	14%	.25
Optimistic	20%	.40	18%	.25

11) Range of rate of return

12) Expected Return?

13) Standard Deviation?

14) Best option?