$\backslash$table$[[$Date$,$Activity,Units,,Purchase Price $($per unit$),,$Sale Price $($per unit$)],[,1-$Feb Beginning Inventory,,$100,$$$.,45,],[,15-$Feb Purchase,,$700,$$$,52,],[,9-$Apr Sale $1,,600,,,90],[,29-$May Purchase,,$500,$$$,56,],[,10-$Jul Sale $2,,600,,,90],[,10-$Sep Purchase,,$400,$$$,58,$