Anemone Company produces picture frames. During the year, 200,000 picture frames were produced. Materials and labor standards for producing the picture frames are as follows:

Direct materials (2 pieces of wood @ $3)	$6.00
Direct labor (2 hours @ $12)	$24.00

Anemone purchased and used 600,000 pieces of wood at $4.00 each, and its actual labor hours were 320,000 hours at a wage rate of $13. What is Anemone's labor rate variance?

a.$450,000 F

b.$445,000 U

c.$320,000 U

d.$660,500 F