Compare the number of trademarks per 10,000 residents between Professional and Construction SA3s (both in 2013).

Assume a significance level of 5%.

For Number of trademarks per 10,000 residents the p-value obtained after performing a two-tailed t-test suggests

A. we fail to reject the null hypothesis

B.we accept the null hypothesis

C.we reject the null hypothesis

D. a correlation coefficient of 0 between Control and Treatment