Please help me complete this.

I have been struggling for quite some time, and mainly I need the answer.

Thank you !

Only need answer d

21) The following data was obtained from the records of XZZ, Inc., for the current year. Sales during the year were 475 units. Jan. 1 Beginning Inventory 100 units at $6 February 1 Purchase 200 units at $9 April 1 Purchase 250 units at $12 July 1 Purchase 60 units at $15 Required:1. Calculate the cost of the ending inventory and Cost of goods sold using: a. FIFO. (10 pts) b.LIFO. (10 pts) c. Average Cost. (round to two decimal points) (10 pts) d. Prepare an income statement. Sales price is $25 per unit and operating expenses are $3,500. No taxes. (8 pts)