Company X classifies the total transportation costs paid to deliver goods to customers as a mixed cost with respect to the units sold. During the current year, the units sold have decreased unexpectedly, but are still within the relevant range. Which of the following statement is (are) correct about the transportation costs? The total transportation costs decrease proportionally to the decrease of units sold. The per unit variable component of transportation costs remains constant. The per unit transportation costs decrease proportionally to the decrease of units sold. The per unit transportation costs increase as the units sold decrease. The total transportation costs increase proportionally to the decrease of units sold. Previous Next