The accounting records of Turner Industries, a manufacturer of flash drives, shows the following costs for the year ended December 31, 2011.

Direct materials

$700,000

Direct labour

220,000

Indirect materials

100,000

Indirect labour

135,000

Variable overhead

220,000

Fixed overhead

325,000

Variable selling costs

100,000

Fixed S&A costs

185,000

The amount of prime costs incurred in 2011 were

920,000

$1,140,000

$1,240,000

$765,000