A major difference between committed and discretionary fixed costs is that companies are using more discretionary fixed costs because tabor is easier to "remove' than technology. managers ate usually responsible for committed fixed costs but not for discretionary fixed costs. incurring committed foxed costs is less risky than using discretionary costs. incurring discretionary fixed costs rather than committed fixed costs gives a company more flexibility in controlling costs. Which of these influences can be substantially affected by cost containment measures? inflation/deflation changes in quantities purchased changes in supply chain costs technological change