all boxes in red are wrong please find right answer for part c

In March, Sandhill Company had the following unit production costs: materials $8 and conversion costs $6. On March 1, it had no work in process. During March, Sandhill completed and transferred out 21,200 units. As of March 31, 4,100 units that were 4095 complete as to conversion costs and 100% complete as to materials were in ending work in process. (a) Your answer is correct. Compute the total units to be accounted for. Total units Attempts 1 or 3 used Compute the equivalent units of production for materials and conversion costs. Prepare a cost reconciliation schedule, including the costs of units completed and transferred out and the costs of units in work in process, for March 2022