Frozen Britain, Co. is an ice cream sandwich manufacturer that uses the weighted-average method of process costing. The following information is available for February in its Blending Department:

Physical Units:

Beginning WIP Inventory: 37,200 units, 60% complete a to materials and 20% complete a to conversion.

Units started during the period: 151,300

Units completed and transferred out to the next department (Freezing Department): 156,700

Ending WIP Inventory: 31,800 units, 75% complete a to materials and 60% complete a to conversion.

Costs:

Costs in beginning Work in Process - Direct Materials: $73,920

Costs in beginning Work in Process - Conversion: $100,924

Costs incurred in February - Direct Materials: $590,992

Costs incurred in February - Conversion: $663,820

Calculate the cost per equivalent unit of production with respect to conversion costs (rounded to two decimals).

a.$4.35

b.$4.70

c.$3.68

d.$6.76

e.$4.06