A company produces two products, A and B. At least 30 units of product A and at least 10 units of
product B must be produced. The maximum
number of units that can be produced per day is
80. Product Ayields a profit of $15 and product B
yields a profit of $8. Let a = the number of units of
product A and b = the number of units of product B.

What objective function can be used to maximize the profit?