V(t) = -0.0000156(t 20) + 2.5 Calculate the first 5 Fourier series coefficients (A0-4 and B1-5) for the estimated R wave. B. Draw the Fourier synthesis for the first 5 known coefficients C. Calculate the first 25 Fourier series coefficients (A0-24 and B1-25) for the estimated R wave. D. Draw the Fourier synthesis for the first 25 known coefficients E. Plot the frequency domain of the estimated R wave for the first 25 coefficients of the Fouirer series