In France v. Southern Equipment Co, where France, after falling off a roof, sued Southern Equipment Co who had employed Quality Metal Roof, a company that contracted with France's employer, Royalty Builders, to build them a new metal roof for exposing him to the inherently dangerous job of roofing, the appeals court held that there are four general factors that bear upon whether a master-servant

relationship exists. Which of the following is one of those factors:
a. selection and engagement of the servant b. payment of compensation
c. power of dismissal d. power of control
e. all of the other specific choices are factors

e