Here are three things you could do if you choose not to go to class one day next week sleep later fyou value this at $$15,$ hang out with friends fyou value this as $$14),$ or go in to work fyou could earn $$12$ during class$).$ The opporturity cost of going to class is

$$12,$ because this is the only aliemutive of the thee where you accually receive a mosetary parment.

$$13$ bercune thin is the lowert valued alhermative torfelted$-$

$$15,$ becaune this is the hidhett valued atemative forleited.

$541.$ becane this is the total dollyr un of the aherratives forfelted.