Suppose the cell phone manufacturer Tuff Electronics provides the following information for its costs last month (in hundreds of thousands): B (Click the icon to view the costs.) Requirements Requirements 1 and 2. Classify each of these costs according to its place in the value chain, and then calculate the total cost for each value chain category. (Leave any unused cells blank.) Tuff Electronics Cost Classification Production Direct Customer Direct Materials Manufacturing Overhead Cost Rand D Design Labour Marketing Distribution Service Salaries of telephone salespeople Depreciation on plant and equipment Exterior case for phone Scientists' salaries Delivery expense Transmitters Rearrange production process Assembly-line workers' wages Technical support hotline Assembly-line workers wages Technical support hotline 1-800 (toll-free) line for customer orders Total costs Requirement 3. How much are the total inventoriable product costs? Determine the formula, and then calculate the total inventoriable product costs. + Total inventoriable product cost = Requirement 4. How much are the total prime costs? Determine the formula, and then calculate the total prime costs. + Total prime cost Requirement 5. How much are the total conversion costs? Determine the formula, and then calculate the total conversion costs. Total conversion cost