Final answer:
Variable-cost pricing is suitable when a company has high variable costs relative to its fixed costs.
Step-by-step explanation:
Variable-cost pricing refers to a pricing strategy where a firm sets the price of its products based on the variable costs incurred in production. Among the options given, option C) is true. Variable-cost pricing is suitable when a company has high variable costs relative to its fixed costs. In this strategy, the price is set in a way that covers the variable costs and contributes towards covering the fixed costs as well.