Question

I can solve this manually but how to using Linear Programming:

Case: A trust officer at Wildcat Bank needs to determine how to invest $200,000 in the following collection of bonds to maximize the annual return.

Bond
Annual Return
Maturity
Risk
Tax Free

A
11%
Long
High
Yes

B
9%
Short
Low
Yes

C
9.5%
Long
Low
No

D
12%
Short
High
Yes

E
9%
Short
High
No




The officer wants to invest at least 55% of the money in short-term issues and no more than 60% in high-risk issues. Also, due to the local high tax rates, at least 30% of the investment money should go in t