Not Answered 11.Not Answered 12.Not Answered 13.Not Answered 14.Not Answered 15.Not Answered Question Workspace Elena decides how to spend a $100 birthday gift between four choices: Option A, Option B, Option C, and Option D. Each option costs $100. Finally, Elena decides on Option B. The opportunity cost of this decision is a. the value of the option Elena would have chosen had Option B not been available. b. $100. c. the value to Elena of Options A, C, and D combined. d. the average of the values to Elena of Options A, C, and D