In the above figure, if the market was a single-price monopoly rather than perfectly competitive, which area shows the transfer of consumer surplus from consumers to producers?

Gross investment is equal to ________

A) net investment plus depreciation B) net investment divided by depreciation C) net investment minus depreciation D) net investment times depreciation

The merits of a patent system include:

A. the patent system gives firms strong incentives to take the risk of substantial research and development costs. B. the patent system may precipitate the development of new products. C. granting monopoly power through a patent may be beneficial from society's perspective. D. All of these.