please answer all the requirements. thank you

Right Now Electronic Center began October with 100 units of merchandise inventory that cost $78 each. During October, the store made the following purchases: (Click the icon to view the purchases.) Right Now uses the periodic inventory system, and the physical count at October 31 indicates that 130 units of merchandise inventory are on hand. Read the requirements Requirements Data Table XFO, and weighted Oct. 3 1. Determine the ending merchandise inventory and cost of goods sold amounts for the October financial statements using the FIFO, LIFO, and weighted average inventory costing methods 2. Sales revenue for October totaled $24,000. Compute Right Now's gross profit for October using each method. 3. Which method will result in the lowest income taxes for Right Now? Why? Which method will result in the highest net income for Right Now? Why? Oct. 12 Oct. 18 40 units @ $80 each 60 units @ $82 each 40 units $94 each Print Done Print Done