A coroner arrives at a murder scene at 10 p.m. She finds the temperature of the body to be 88.2 F. She waits one hour, takes the temperature again, and finds it to be 83.1 F. She notes that the room temperature is 74 F. Assuming that the temperature of the body was 98.6 F when the murder occured, when was the murder committed? The murder was commited at approximately approximately (Do not round until the final answer. Then round to the nearest hour.)