Bramble Company has the following equivalent units of production for July: materials 30200 and conversion costs 23500. Production cost data are:

Materials Conversion
Work in process, July 1 $6400 $2600
Costs added in July 54000 35000

The unit production costs for July are:

Materials Conversion Costs
a. $1.79 $1.60
b. $1.79 $1.49
c. $2.00 $1.49
d. $2.00 $1.60