When a financial decision is being made, the more choices youhave will help determine the best opportunity. To calculate theopportunity cost, compare each opportunity based on a similar unitof measurement. This can be cash, weight, or products. Evaluatecost by hour, day, week, or year for each option. Evaluate eachopportunity by what would be gained if you chose an alternativeopportunity. Add up the costs associated with each opportunity.Make your choice based on which opportunity cost is higher.