Profit-Maximizing Firms Will Choose a Level of Spending on Research

Multiple Choice

Profit-maximizing firms will choose a level of spending on research and development, in the short run, where the

A) marginal revenue from R&D is maximized.
B) total revenue from R&D is maximized.
C) marginal revenue from R&D is greater than its marginal cost.
D) marginal cost of R&D is minimized.
E) marginal revenue from R&D is equal to its marginal cost.