OH variances Nes san Co, manulactures a product that requires 3.5 machinet hours per unit, The variable and fued cverhead rates were computed using expected capacity of 345,600 units (produced evenly throughout the year) and expected variable and fixed orerhead costs, respectively, of 54,838,400 and 58467,200 , in October, Nelson manufactired 28,560 units using 100,320 machine heurs Octobervariable caverhead costs were 3396,000 , fixed overhead costs were 5706,800 . a. What are the standard variable and fixed cweihead rates? b. Campute the varisble overhead variances. Notei Do not use a negatives sign with your answer c. Compute the fixed onthead variances. Note: Do not usa a negative sign with your arswer. rotsectising valatice 1 rovivolume variance is Tond fort viriance is