Activity$-$based costing and generally accepted accounting principles differ in that ABC

Select one:

a$.$ information is useful only to managers, while GAAP information is useful to all organizational stakeholders

b$.$ does not define product costs in the same manner as GAAP

c$.$ is concerned only with costs generated from automated processes, but GAAP is concerned with costs generated from both manual and automated processes

d$.$ cannot be used to compute an income statement, but GAAP can