Hi I need help on what is the answer for this process costing accounting for numbers 7 and 8 . Answer with explanation is highly appreciated. I hope that you can help me

Problem

PROBLEM S On September 30, work in process totalled 9, 000 units 60% complete (based on conversion costs added uniformly throughout the department and material added at the start of the process). A total of 100, 000 units were transferred to the next department during October. On October 31, a total of 8, 000 units 40% complete (based on conversion costs) were still in process in Department A. 7. Using the weighted-average cost flow method, what are the equivalent units to be used in the calculation of costs for October? PROBLEM 6 Richardson Company computed the flow of physical units completed for Department M for the month of March 2011 as follows: Units completed: From work in process on March 1, 2011 15, 000 From March production 45, 000 60, 000 Materials are added at the beginning of the process. The 12, 000 units of work in process at March 31, 2011, were 80% complete as to conversion costs. The work in process at March 1, 2011, was 60% complete as to conversion costs. 8. Using the FIFO method, the equivalent units for March conversion costs were