Crawford Company has the following equivalent units for July:
- Materials 10,000 and conversion costs 9,000
- Production cost data are:
- Work in process, July 1, for materials is $ 3,200
- Work in process, July 1, for Conversion is $ 1,500
- Costs added in July, for materials is $ 25,200
- Costs added in July, for Conversion is $ 21,000

The unit production costs for July are:
a. $2.52 Materials, $2.50 Conversion Costs
b. $2.84 Materials, $2.33 Conversion Costs
c. $2.52 Materials, $2.33 Conversion Costs
d. $2.84 Materials, $2.50 Conversion Costs