$\backslash$table$[[$Income Statement,Units,Inventory Costing Method$],[$FIFO$,$LIFO,$\backslash$table$[[$Weighted$],[$Average$]]],[$Sales Revenue,,$$,3,000,,,,],[$Cost of Goods Sold$*,,,,,,,],[$Gross Profit,,,$3,000,,0,,0],[$Operating Expenses,,,,,,,$],[$Income from Operations,,,$3,000,,0,,0],[$Income Tax Expense,,,,,,,$],[$Net Income,,$$,3,000,$$$,0,$$$,0],{[}^{**}$ Cost of Goods Sold Equation,,,,,,,$],[$Beginning Inventory,$3,000,,,,,,],[$Purchases$,,,,,,,],[$Goods Available for Sale,$3,000,,0,,0,,0],[$Ending Inventory,,,,,,,$],[$Cost of Goods Sold,$3,000,$$$,0,$$$,0,$$$,0]]$Courtney Company uses a periodic inventory system. The following data were available: beginning inventory, $3,000$ units at $$30$; purchases, $4,500$ units at $$35$; operating expenses $($excluding income taxes$),$ $$101,500$; ending inventory per physical count at December $31,1,750$ units; sales price per unit, $$60$; and average income tax rate, $30\%.$

Required:

$1.$ Complete the income statements and the cost of goods sold calculation under the FIFO, LIFO, and weighted average costing methods.

$2-$a$.$ Between FIFO and LIFO, which method is preferable in terms of maximizing income from operations, if costs are rising?

$2-$b$.$ Between FIFO and LIFO, which method is preferable in terms of minimizing income taxes, if costs are rising?

$3-$a$.$ Between FIFO and LIFO, which method is preferable in terms of maximizing income from operations, if costs are falling?

$3-$b$.$ Between FIFO and LIFO, which method is preferable in terms of minimizing income taxes, if costs are falling?