Hasan is age 60, the sole proprietor of a construction firm. Hasan is in great shape, both mentally and physically, and has taken steps to protect himself as he ages. In particular, he has designated his son, Khaled, as his contingent power of attorney for property, and his wife, Myra, as his power of attorney for personal care. Recently, Hasan injured himself on the job site and has a broken leg. Today, he is scheduled for surgery at the local hospital. Based on this information, which of the following statements is correct? O Hasan must file a separate income tax return for the business as well as his personal tax return O Hasan should provide a copy of the power of attorney for personal care to the hospital O Khaled can exercise his power of attorney to make business decisions on behalf of Hasan O Myra can exercise her power of attorney to make medical decisions on behalf of Hasan .