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(All answers were generated using 1,000 trials and native Excel functionality.) The management of Brinkley Corporation is interested in using simulation to estimate the profit per unit for a new product. The selling price for the product will be $45 per unit. Probability distributions for the purchase cost, the labor cost, and the transportation cost are estimated as follows: (a) Construct a simulation model to estimate the average profit per unit. What is'a 95% confidence interval around this average? Round your answers to two decimal places. Lower Bound: Upper Bound: (b) Management believes that the project may not be sustainable if the profit per unit is less than $5. Use simulation to estimate the probability that the profit per unit will be less than $5. What is a 95% confidence interval around this proportion? Round your answers to one decimal of a percentage. Lower Bound: % Upper Bound: %