Multiple Choice Question 83 Sheffield Company has the following equivalent units for July: materials 37550 and conversion 30800. Production cost data are: Materials Conversion Work in process, July 1 $7100 3600 Costs added in July 68000 58000 The unit production costs for July are: $2.00 O $1.81 O $2.00 O$1.81 $2.00 $2.00 $1.88 $1.88