Ellsworth Company has signed a contract that requires them to produce and sell 50,000 units for $8 per unit. A regression model was run using 27 observations to measure total costs as a function of units. It is as follows:

Total costs = $9, + $6 per unit The standard error of the estimate is $4,.D. Required: a. Calculate the following assuming certainty: i. Breekeven in units and dollars ii. Salute quantity needed to obtain an after-tax prot of $24,. Assume that a 4i) percent tax rate is used for only part ii. iii. Suite in dollars needed to obtain a pretax prot equal to it} percent ofealee. 1:. Calculate the following assuming uncertainty: i. What is the range of incomes that would be expected with 9D percent condence? ii. What is the probability that the rm will make a ptot next year