28. The face value of a three-month, 4.9% note dated September 30, 2009, is $1680.48. Determine each of the items listed below. Ignore any grace period. (a) the legal due date (b) the interest period (in days) (c) the amount of interest (d) the maturity value (a) The legal due date is (1) - (b) The interest period is days. (Type a whole number.) (c) The amount of interest is payable is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (d) The maturity value of the note is s (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (1) March April June November December September August February October January May July