Mindy signed up for a local lifeguard class that required two full days of training at a cost of​ $150. unfortunately, she got sick and could not complete the second day of training. the fee was​ non-refundable and the class was only offered once every six months. instead of giving​ up, mindy signed up for another weekend long workshop offered 25 miles away at a cost of​ $300. mindy's actions best illustrate that