1. Using budget data, how many Apple iPhone 4s would have to have been completed for Danshui Plant No. 2 to break even? 2. Using budget data, what was the total expected cost per unit if all manufacturing and shipping overhead (both variable and fixed) were allocated to planned production? What was the actual cost per unit of production and shipping? 3. Prepare a flexible budget for 180,000 iPhone 4s and calculate flexible budget variances using actual costs for August. 4. Estimate material price and usage for flash memories, labor rate and usage (efficiency) variances, and the overhead spending variance for August. 5. What are some strategies or decisions that Wentao Chen should consider in trying to solve the problems with the Apple iPhone 4 contract in the next nine months? How would these change the costs and profitability of Danshui Plant No. 2 and the iPhone 4 contract