72) Refer to the above diagram, where 8.1 and Du are the domestic supply and demand for a product and Pa is the world price of that product. With a Reaper unit tariff, the quantities sold by foreign and domestic producers respectively will be: a. a; and x. b. xv and 5;, c. x and a; d. w and w. 73) Refer to the above diagram, where 8.1 and Du are the domestic supply and demand for a product and PC is the world price of that product. With a mper unit tariff, per unit revenue received by domestic and foreign producers respectively will be: a. PI: and Pa. b. Pa and Pa. c. Pa and Pt. d. Pt and PC. 74) Refer to the above diagram, where 8.1 and Du are the domestic supply and demand for a product and PC is the world price of that product. With a per unit tariff of EEEL the total amount of tariff revenue collected on this product will be: a. Ragtimes m b. ea\" times x. c. mtimes w