The solid shaft has a diameter of $0\mathrm{.}73$ in $.$ It is subjected to the torques shown in the figure below. The bearings at A and $F$ allow free rotation of the shaft. $($Figure $1)$

Figure

$1$ of $1$

A horizontal solid shaft with applied torque

PART A $-$ DETERMINE THE MAXIMUM SHEAR STRESS DEVELOPED IN REGION BC of THE SHAFT. Express your answer in Kilopounds per square inch to three significant figures.