Write the next sentence in this paragraph:

How to make a spreadsheet in excel
Open excel.
Notice there are rows and columns.
Each column has a capital letter on the top to show what column it is.

Select from: a. Read the column number to see if the numbers in the column have a capital letter. There will be row numbers in this column.; b. Don't double-space files in a row or column. Put in a quotation mark, or add a comma.; c. Notice the column's direct equals a1 (fixed) or a2 (variable). When going down a column enter 255.; d. Each row has a number to the immediate left of the first column, to show what row it is. Each cell is identified by a unique address consisting of the column letter followed by the row number.;
d.