3. (10 points) Greg has a bad habit of spending money on credit without ever paying off any of his loans. In fact, the amount of money he owes his creditors, in dollars, is P(t) = 12000e0.7t where t is the number of years that have passed after the beginning of 2012. How many years after the beginning of 2012 will Greg owe his creditors $95,000? (t = 1 is year 2013, t = 2 is year 2014)