Dunt Compary manufactures plaws. The 2020 operating budget was based on production of 20,000 pillows, with 0.75 machine houre allowed per pilow. Budpotid viriblio overtead per hour wa 25. Actual production for 2000 was 16,000 pillows using 13,000 machine-hours. Actual variable costs were $26 per machine-hour: Calcuiate the following: a. The budgeled varisble overhead for 2020 b. The varisble overhead spending variance c. The variable overtead efficiency variance a. Calculate the tudgoced variable ovethead for 2020 Buodoeted varabie ovehead for 2020 4. Caloulase the varlable ovemead spending variance. (Complete all input fleide) c. Caculain the varable overtrad efficency variance. (Complete all input feian)