Suppose you wish to invest $14,000. You have identified four investment opportunities.

Investment 1 requires an investment of $5,000 and has a present

value (a time-discounted value) of $8,000; investment 2 requires $7,000 and

has a value of $11,000; investment 3 requires $4,000 and has a value of $6,000;

and investment 4 requires $3,000 and has a value of $4,000. Into which investments

should you place your money so as to maximize your total present

value?