A single “cleaning $400” cell is fast to type and hard to defend. Use one row per withhold and export a packet that matches your letter.
Why spreadsheets fail on security deposit returns
Spreadsheets hide structure
Statutes expect description + amount per deduction, not one lump sum.
See Deposit Desk vs spreadsheet for a side-by-side.
Not legal advice. Confirm facts and deadlines with qualified counsel.