Taggart Inc.'s stock has a 50% chance of producing a 36% return, a 30% chance of producing a 10% return, and a 20% chance of producing a -28% return. What is the firm's expected rate of return? Do not round your intermediate calculations.

a. 15.86%

b. 15.71%

c. 12.01%

d. 15.40%

e. 14.01%