The Kinked Demand Curve Pricing Model Is Based on the Assumption

The kinked demand curve pricing model is based on the assumption that:

A) a firm's competitors will match both its price increases and price decreases.
B) one firm in the industry sets price for all other firms.
C) a firm's competitors will match a price fall but not a price increase.
D) price in the market is inflexible and unlikely to change.