Excel formulas needed.

A Company uses the weighted average method of process costing. It had 30,000 units in beginning inventory, which were 80% complete as to materials and 65% complete as to conversion. During the month, it started 90,000 units. At the end of the month, 20,000 units were in inventory, which were 60% complete as to materials and 25% complete as to conversion. Cost information is as follows