Bob and Dora Sweet Wish to Start Investing $1,000 Each

question 46

Essay

Bob and Dora Sweet wish to start investing $1,000 each month. The Sweets are looking at five investment plans and wish to maximize their expected return each month. Assume interest rates remain fixed and once their investment plan is selected they do not change their mind. The investment plans offered are: Since Optima and National are riskier, the Sweets want a limit of 30% per month of their total investments placed in these two investments. Since Safeway and Fidelity are low risk, they want at least 40% of their investment total placed in these investments.
Formulate the LP model for this problem.

---

Definitions:

Monopolist

A single supplier in a market who has exclusive control over a particular good or service, potentially leading to higher prices and lower output.

Marginal Cost

The cost of producing one more unit of a good or service.

Marginal Cost

The increased cost resulting from the production of an extra unit of a good or service.

Fourth Unit

A reference to a specific item in a series, often used in economic theories or models to discuss marginal utility or cost of an additional unit.