purchase small bottles from an outside source for $98 per unit, plus $9 per unit for freight. amount is zero, enter " 0 ". b. Determine whether the company should make (Alternative 1) or buy (Alternative 2) the bottles. amount is zero, enter " 0 ", Differential Analysis Make (Alt. 1) or Buy (Alt. 2) Bottles b. Determine whether the company should make (Alternative 1 ) or buy (Alternative 2 ) the bottles