You manage an accounting firm with 15 employees. The firm owns the building it operates out of and the roof needs repairs. You hire a local roofer, Jerrard Jones of "Jerrard's Roofing" to do the job. It is expected to take five days for Jerrard to remove the old shingles and replace them. What is a key step you need to take before you allow Jerrard to come and replace the roof? What are the potential legal consequences for company if Jerrard is injured while replacing the roof