A stock has the following predicted returns under the following economic conditions:

Economic Condition ..............Probability.............. Return ($)

Recession ..................................0.30 ........................50

Stable economy ...........................0.30....................... 100

Moderate growth .........................0.30........................ 120

Boom .......................................0.10 .......................200

Compute the

a. expected monetary value.

b. standard deviation.

c. coefficient of variation.

d. return-to-risk ratio.