Waferco is a fast-growing manufacturer of computer chips. Direct materials are added at the start of the production process. Conversion costs are added evenly during the process. Some units of this product are spoiled as a result of defects not detectable before inspection of finished goods. Spoiled units are disposed of at zero net disposal value. Waferco uses the weighted-average method of process costing. Summary data for September 2020 are: Requirement 1. For each cost category, compute equivalent units. Show physical units in the first column of your schedule. Enter the physical units in first, then calculate the equivalent units