$1900.00 is deposited in an account with an interest rate of r% per year, compounded monthly. At the end of 8 years, the balance in the r 96 account is given by A = 1900.00 + . Find the rate of change of A with respect to r when r is 6.00%. 1200 O A. dA = $152.76 per % dr O B. dA = $244.13 per % dr O C. dA = $245.35 per % dr O D. dA = $153.52 per % dr