http://college.cengage.com/nextbook/shared/accounting/warren_9781133952428/images/9781133952428-1470-t3.png?token=64C31C0E09181974AEECC3BE1DFB8F2F9C52C D6388C7F01B3926A1BB3C12FFC598C3B4AAEC57BAE378AF37F DED63F7CB


http://college.cengage.com/nextbook/shared/accounting/warren_9781133952428/images/9781133952428-1471-t2.png?token=64C31C0E09181974AEECC3BE1DFB8F2F9C52C D6388C7F01B3926A1BB3C12FFC598C3B4AAEC57BAE378AF37F DED63F7CB


I am having problems with June 14, July 16, and Dec. 30. I can't figure out the formula to understand the problem.