An engineer is working in an area with an alpha-gamma source. The previous worker accidentally left it unsecured and it is no longer shielded. The exposure rate increased from .2 R/hr to 20 R/hr. Assume the rate is uniform in the room and is the same for both alpha and gamma. What is the absorbed dose for alpha and gamma after 4 hours? What is the dose equivalent for the alpha and gamma exposure? What is the deep dose