Regarding business conditions during the 1930s, which of the following

Regarding business conditions during the 1930s, which of the following events did not occur?

(a) The number of patents applied for declined.
(b) The number of mergers between companies increased in an attempt to increase
their consolidated strength.
(c) Some interest rates, such as the prime rate, fell to less than 1%.
(d) In the early years of the Depression, business investment spending on plants and
equipment was not enough to increase or maintain the country’s capital stock.

ANSWER

(b)