?In the $\_\_\_\_\_,$ ?the supplier analyzes the market to find the combination of price per unit and quantity of sales that maximizes its profit on the assumption that $(1)$ ?lowering the price will result in more units being sold, and $(2)$ ?greater volume will spread the indirect cost over more units.

Group of answer choices

promotional pricing model

price volume model

market $-$ share model

sole sourcing model

market skimming model