A cost incurred in the past that is not relevant to any current decision is classified as a : Select one: a. period cost. b. sunk cost. c. opportunity cost. d. differential cost. Muscat Company's total sales are $130,000. The company's direct material cost is $53,000, which represents 40% of its total prime cost. Its total manufacturing overhead costs is $45,000. Its total selling and administrative expense is $18,000 and its only variable selling and administrative expense is a sales commission of 3% of sales. The company maintains no beginning or ending inventories and its manufacturing overhead costs are entirely fixed costs. What is the total manufacturing cost? Select one: a. $119,200 b. $116,000 c. $77,000 d. $187,500 e. $177,500 f. None of the answers given Mct Company's total sales are $210,000. The company's direct material cost is $25,000. Its direct labor cost is $34,000. Its total manufacturing overhead costs consists of $15,000 variable costs and $30,000 fixed costs. Its total selling and administrative expense consists of $6,000 variable costs and 17,000 fixed costs. What is the total contribution margin? Select one: a. $106,000 b. None of the answers given c. $136,000 d. $140,000 e. $130,000 Time left 0:04:32 f. $189,000