A $2,800, 10% Note Dated March 12 for 80 Days

Multiple Choice

A $2,800, 10% note dated March 12 for 80 days was discounted on May 2 at 12%. The number of days in the discount period (using a 365-day year) is:

A) 51 days.
B) 80 days.
C) 29 days.
D) some other number.