Using budget data, how many Apple iPhone $4\text{'}$s would have to have been completed for Danshui Plant $2$ to break$-$even?$2.$ Using budget data, what was the total expected cost per unit if all manufacturing and shipping overhead $($both c$=$variable and fixed$)$ were allocated to planned production? What was the actual cost per unit of production and shipping?$3.$ What are some strategies or decisions that Wento 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 $2$ and the iPhone contract?