help me to solve this one :

Case 2 Sera, Inc. is a soap manufacturer. It has two departments: mixing and testing. In January 2020, the company spent $ 700,000 on direct materials and $ 850,000 on conversion costs, for a total production cost of $1,550,000. 1. Assume no beginning inventory by January 1, 2020. During January, 5,500 soaps had been produced, and all 5,500 had been fully completed by the end of the month. What is the unit cost of soap in January? 2. Assume that during February, 5,500 soap began to be produced. Next, assume that the same total mixing costs for January also occur in February, but only 4,000 soaps are fully completed by the end of the month. All ingredients are added directly to the remaining 1,500 soaps. However, on average, these remaining 1,500 soaps are only 40% completed for conversion costs. (a) What are the equivalent units for direct materials and conversion costs and their respective costs per equivalent unit for February? (b) What is the unit cost of soap in February