Factory Overhead Controllable Variance Alvarado Company produced 15,500 units of product that required 5 standard direct labor hours per unit. The standard variabie overhead cost per unit is $0.90 per direct labor hour. The actual variable factory overhead was $50,060. This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required anafysis, and input your answers in the question below. Open spreadshect Determine the variable factory overhead controllable variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number