A company has decided to use a mixed integer program to help make some investment decisions. There are 5 possible investment alternatives from which to choose. Suppose alternative 5 is to hire a new team, and the company finds that it can carry out at most 3 of the first four alternatives if it does not hire the new team. Let = 1 if alternative is selected and 0 otherwise for =

1,2, 3, 4, 5. The constraint can be expressed as: