hi please answer quick

The profits for a company can be modeled by the logarithmic function P(t) = >log (2t + 1) With P in thousands of dollars and t in years. What is the average increase in profit from year 2 to 3? O a) 0.23 dollars/year Ob) 4.39 dollars/year c) 219 dollars/year Od) 4386 dollars/year