This mis match appears due to Trading/Auction A/C not select in item details,follow the below steps for resolve this issue:-

Go to Masters > Inventory Masters > Item Master > All item list will be appear > Press "F3" on selected item > There are options shown of Trading A/C & Auction A/C ---Press space bar select No > Ledger selection window will be appear > Select ledger of Trading account and auction account by pressing enter key > Then press Ctrl+W for save > After follow those steps sale value show correct in profit & loss account.

Go to Master > MargSetup > Control Room > Search in all > Search -- "Return Required" > Click on Accept > There is one option shown > "Return entry required" ---Change that option as "X" > Then press esc key and save.