Regression Analysis Was Applied Between Sales Data (Y in $1000s) $$\hat { y }$$

Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained. $$\hat { y }$$ = 12 + 1.8x

N = 17
SSR = 225
SSE = 75
Sb₁ = .2683
The t statistic for testing the significance of the slope is

A) 1.80.
B) 1.96.
C) 6.71.
D) .56.