Amjad takes twenty minutes to travel from his home to his work using his car; however, he chose to take a bus, for which he consumed thirty minutes to reach his office. What type of cost is presented...

Amjad takes twenty minutes to travel from his home to his work using his car; however, he chose to take a bus, for which he consumed thirty minutes to reach his office. What type of cost is presented in the scenario? a. Nominal cost b. Alternative cost c. Social cost d. Implicit cost