Answer:
Opportunity Cost of watching TV is 0.6 study hours
Step-by-step explanation:
Opportunity Cost is the cost of next best alternative foregone (sacrifised) , while choosing an alternative.
Given case : Opportunity cost of watching TV is the amount of study hours sacrifised while it. As per 3 hrs & 5 hrs study & TV combination respectively, study hours sacrifised per TV hour is 3/5 = 0.6 hour.