Hello, I need help with questions 14, 15, and 16, and can you please explain the way you found the answer? Thank you!

14) A company had the following purchases and sales during its first year of operations: January February: May: September: November: Purchases 10 units at $120 20 units at $125 15 units at $130 12 units at $135 10 units at $140 Sales 6 units 5 units 9 units 8 units 13 units Purchase layer U nits Cost/Unit Total Total Units = Remaining Inventory Value Total Costs = Cost of Goods Sold On December 31, there were 26 units remaining in ending inventory. Using the Periodic LIFO inventory valuation method, what is the value of cost of goods sold? (Assume all sales were made on the last day of the month.) A) $8,670. B) $5,400 C) $5,470. D) $3,200. E) $5,130. 15. Calculate the Debt Ratio for the two years presented for the following company. Between the 2 years, does the ratio improvement and why? o 16. Calculate the Current ratio for the two years presented using the following information. Between the 2 years, does the ratio show improvement and why