The Purchase Invoice allowas you as many individual detail lines as you want.
1st Line Code 5000 Goods for resale 550.00 20% 110.00 £660.00
2nd Line Code 6000 Labour Costs 220.00 20% 44.00 £264.00
Invoice Totals Net £770.00
VAT £154.00
Invoice Total £924.00
Regards
David