Tammy recorded the amount of time she spent on six activities over a twenty four hour period and drew a bar graph, as follows: If Tammy had drawn a pie chart instead, what would have been the approximate angle for the time Tammy spent at school?

Question

$\begin{array}{1 1}(A)About \;62^{\circ} \\ (B)About \;90^{\circ} \\ (C)About \;45^{\circ} \\ (D)About \;105^{\circ} \end{array}$