...three-month budget? The user should be able to enter the row and column headings. For the column headings the user should enter a number between 0 and 11, where 0 is January and 11 is December, and the following two column headings should be the following months, so e.g. if the user enters 1, the month column headings will be FEBRUARY, MARCH and APRIL. For row headings the user should enter the row number followed by the row heading.