Please help me

The figure has a tangent line drawn at a labeled point. p(t) thousand employees 9400 9300 (4.8, 9267) 9200 9100 t years since 2000 4 6 8 (a) Estimate a second point on the tangent line. (t, p) = (b) Calculate the rate of change of the function at the labeled point. (Round your answer to one decimal place. ) thousand employees per year (c) Calculate the percentage rate of change of the function at the labeled point. (Round your answer to three decimal places.) % per year