Exhibit 22-3 Marginal Physical Total Variable Fixed Product of Variable Total Variable Marginal Input Input Output Input Fixed Cost Cost Cost (units) (units) (units) (units) (dollars) (dollars) (dollars) 0 1 0 $500 10 (A) $500 $200 (F 2 25 (B) $500 $400 (G) 3 45 (C) $500 $600 (H) 4 60 (D) $500 $800 (I) 5 70 (E) $500 $1000 (J) Refer to Exhibit 22-3. The marginal cost figures in blanks (1) and (J), respectively, are Select one: O a. $5.33 and $10.00. O b. $1.33 and $2.00. O C. $1.33 and $1.43. O d. $13.33 and $20. O e. none of the above