$4\mathrm{.}5$ Use the MID function in cell$|$ to return the text $"$ at merchant #$"$ from the statement template in cell

Refer to the location of the $"$$$"($in cell C$5)-$ adjusted by adding $1-$ as the "start$\_$num" argument.

Use the difference between the location of the $"$#$"$ character $($in cell $($C$4)$ and the $"$$$"$ character $($in cell C$5)$ as the "num$\_$char" argument.