need someone to check my answer to exercise and provide detailed input. my answers are as follows:

Qeustion 1 ???Question 2 yes, if matieral prices go up, this makes the model 5200 less attractive since the matieral costs per unit are currently .40 vs .38 on model 2600.Question 3 If the price of labor goes up by 25% this makes the model 5200 even more attractive since it currently has a significantly lower labor cost per unit than model 2600.

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