answer 3&4 &5 plz

Required: Using the high-low method: Calculate the fixed cost of overhead. Calculate the variable rate per labor hour. Construct the cost formula for total overhead cost. The company is estimating that in September the labor hours will be 600 How much should they estimate to have in total overhead cost for September? Dance Unlimited plans to sell 10.000 ballet shoes at $50 each in the coming year. Unit variable cost is and total fixed cost equals $65,000