PERSONAL INVESTMENTS. George Rifkin is considering investing some or all of a $60,000 inheritance in a one-year certificate of deposit paying a fixed 6 % or a venture capital group project with a...

PERSONAL INVESTMENTS. George Rifkin is considering investing some or all of a $60,000 inheritance in a one-year certificate of deposit paying a fixed 6 % or a venture capital group project with a guaranteed 3% return but the potential of earning 1 0 %. George would like to invest the minimum amount of month necessary to achieve a potential return of at least $4000 and a guaranteed return of at least $2000.

 Formulate a mathematical model and recommend an investment strategy for George. How much of his $60,000 can he keep for his personal use during the year and still meet his investment criteria?