Price difference

Item	Description	Quantity	Price (PPU)	New price (PPU)	Price difference
{{("000000"+sale.itemFk).slice(-6)}}		{{::sale.quantity}}	{{::sale.price | currency: '€': 2}}	{{::sale.component.newPrice | currency: '€': 2}}	{{::sale.component.difference | currency: '€': 2}}
			{{$ctrl.ticket.sale.totalUnitPrice | currency: '€': 2}}	{{$ctrl.ticket.sale.totalNewPrice | currency: '€': 2}}	{{$ctrl.ticket.sale.totalDifference | currency: '€': 2}}