Chapter 8, Problem 4RP

give me correct answer of this General accounting question

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Stefani Company has gathered the following information about its product. Direct materials: Each unit of product contains 4.20 pounds of materials. The average waste and spoilage per unit produced under normal conditions is 0.80 pounds. Materials cost $2 per pound, but Stefani always takes the 3.00% cash discount all of its suppliers offer. Freight costs average $0.40 per pound. Direct labor: Each unit requires 1.70 hours of labor. Setup, cleanup, and downtime average 0.10 hours per unit. The average hourly pay rate of Stefani's employees is $11.60. Payroll taxes and fringe benefits are an additional $2.50 per hour. Manufacturing overhead. Overhead is applied at a rate of $4.70 per direct labor hour. Compute Stefani's total standard cost per unit.