Which of the following statement(s) are CORRECT? Select one: a. Both total opportunity cost is defined as the sum of direct costs and indirect cost relevant to a choice and you may accept an unfavorable choice if opportunity cost is not taken into consideration. b. One should overestimate opportunity cost in order to make a sound financial decision. c. Total opportunity cost is defined as costs directly associated with a choice. d. Total opportunity cost is defined as the sum of direct costs and indirect cost relevant to a choice. e. You may accept an unfavorable choice if opportunity cost is not taken into consideration.