Andy's budget constraint equals $1200 = $6F + $600R, where $1200 is Andy's income, $6 is the price per unit of food (F), and $600 is the price per unit of rent (R). Which of the following bundles is in Andy's opportunity set? Group of answer choices 125 units of food and 1 unit of rent 75 units of food and 1 unit of rent 20 units of food and 2 units of rent 10 units of food and 3 units of rent