This week's sell-off coincided with his prediction. The difference between financial capital preservation and physical capital preservation V6 motor Activity-based costing (ABC) is an effective management technique for assigning and manipulating the overhead costs. Overhead expense analysis and assignment can be achieved more accurate by utilizing ABC methods for a variety of products, for product expenses and profitability analysis and for appropriate distribution and control over the overheads. The Barnsley based REHAU fabricator has seen a surge in enquiries from installers and consumers in response to its ongoing advertising, PR and web campaign and these are being passed to its stockists and distributors nationwide. This week's sell-off coincided with his prediction.