There are different types of business structures and each have advantages and disadvantages; these structures are sole proprietorships, partnerships and corporations. There is also a whole field of disability insurance designed to protect the businesses themselves in the event of the disability either of an owner or an employee who is critical to the success of the business. What are some of the disability insurance plans available? Select one: a. Residual disability benefits, future purchase option, presumptive disability clause. b. Buy sell agreements, key person agreements, enhanced medical and hospital care. C. Key person coverage, business loan protection, disability buy out coverage, disability business over head expense. d. Capital portion of loan payments, new capital expenditures, carry over of benefits/expenses.