Bateman Corporation, which has only one product, has provided the following data concerning its most recent month of operations:

Selling price

$117

Units in beginning inventory

0

Units produced

4,700

Units sold

4,400

Units in ending inventory

300

Variable costs per unit:

Direct materials

$36

Direct labor

$38

Variable manufacturing overhead

$4

Variable selling and administrative

$11

Fixed costs:

Fixed manufacturing overhead

$89,300

Fixed selling and administrative

$26,400

What is the unit product cost for the month under variable costing?

a.

$89 per unit

b.

$97 per unit

c.

$108 per unit

d.

$78 per unit