True and false by providing proper reasons.
Question 1. In a media selection problem, maximization of audience exposure may not result in maximization of total profit.
Question 2. In an unbalanced transportation model, supply does not equal demand and supply constraints have signs.
Question 3. Due to the unique characteristics of a transportation problem, the solution values of the decision variables are always integer values.
Question 4. In a transportation problem, a demand constraint for a specific destination represents the amount of product demanded by a given destination (customer, retail outlet, store).
Question 5. In maximization linear programming problem profit is maximized in the objective function by subtracting cost from revenue.