Costing program

Product costing program with multiple drop down variances for the [login to view URL] to 100 products with each product having up to 30 different components.? Many of these components will have many different sizes, versions etc and obviously different costs.? Not every product will have every component. Some components will have to have mathematical sums added.? Ie if component # 1 is used component #2 is multiplied by 9 or by 5 or 4.5.? These are simple formulas and once set do not need to be [login to view URL] will need a final cost of product and a final sale price (cost of product multiplied by margin required) ## Deliverables recapping: some components will have mathematical formula's affecting other components Products do not have all components so must have ability to put a Nil value. All different components have different pricing and prices alter periodically so we need to be able to alter component? prices accordingly. Pricing should not show in drop down list, only the component name and specs. Cost of goods price needs to be on another page so customer only sees the final sale price. Sale price needs to have ability to alter the margin percentage (this will be set benind the scenes, perhaps on the same page the cost of goods price is shown. We also need the ability to add a discount to the final sale price. We also need to be able to save the final page under the customers name so we have a record of what we have quoted.