The shaft AB in Problem 3-55 is made from AISI 1035 CD steel. Based on failure at the wall at A, determine the factor of safety using. 

Data in Problem 3-55

The part shown is loaded at point B with 300 lbf in the negative y direction, at point C with 200 lbf in the negative z direction, and at point D with a force with components of 60 lbf in the positive x direction and 75 lbf in the positive y direction. The diameter of the bar AB is 0.75 in. Evaluate the likelihood of failure in bar AB by providing the following information: