[Note] This question and the next (or previous) question are based on the same data! Steelwater Corporation produces steel water tanks. Each water tank has a standard labor requirement of 2 hours. The standard direct labor costs assigned to each tank is $30. During the most recent month, 500 water tanks were produced using 900 labor hours at the wage rate of $16 per hour. What are the direct labor (1) rate variance and (2) efficiency variance? (1) $900 U; (2) $1,500 0 (1) $1,500 F; (2) $900 U (1) $900 U; (2) $1,500 F (1) $1,500 U; (2) $900 F