Dotsero Technology, Inc. has a job-order costing system. The company uses predetermined overhead rates Iin apply manufacturing overhead cost to individual jobs. The predetermined overhead rate in department A is based on machine-hours, and the rate in department B is based on direct material cost. At the beginning of the most recent year, the company's management made the following estimates for the year:Department A Department BMachine-hours 70,000 19,000Direct labor-hours 30,000 60,000Direct materials cost 195,000 282,000Direct labor cost 260,000 520,000Manufacturing overhead cost 420,000 705,000Compute the predeterminded overhead rates for department A and department B.

Dr. sperry, a biologist, is using excel to track growth rates of different populations of bacteria. she has a very complex formula in one cell. it begins with “round”. dr. sperry would like to see exactly how excel’s calculation reached the final rounded value that she sees in the cell. what could dr. sperry do to best understand how the calculation was made? try different formulas on her own until she reaches the value shown in excel click on the evaluate formula button in the formulas tab and then click “step in” select the cell and then look at the formula in the formula field of the ribbon remove “round” from the formula in order to see the actual value before rounding