Bulong Company manufactured 1,000 units of a special multi-layer breathable fabric with the trade name "walang

pakpak". The following information from the "walang pakpak" production department for the month of May is as

follows:

Direct material purchased: 36,000 yards at 1.38 per yard 49,680

Direct material used: 19,000 yards at 1.38 per yard 26,220

Direct labor: 4,200 hours at 9.15 per hour 38,430

The standard prime costs of one unit of "walang pakpak" is as follows:

Direct material: 20 yards at 1.35 per yard 27

Direct material used: 4 hours at 9.00 per yard 36

Total standard prime cost per unit of output 63

Required:

1. Materials spending variance

2. Direct material efficiency variance

3. Labor rate variance

4. Labor efficiency variance