$\backslash$table$[[,$A$,8,$C$,$D$,$E$,$F$,0,$H$],[1,,,,,,,,],[2,$Laker Company reported the following January purchases and sales data for its only product. The company uses a periodic inventory system.$],[3,,,,,,,,],[4,$Deste,Activities,Units Acquired at Cost,Units Sold at Retail$],[5,,,$Units,cost per unit,Total cost,Units,Seling price per unit,Total Sales$],[6,$January $01,$Beg. inventory,$180,$$$10\mathrm{.}50,$$$1,890,,,],[7,$January $10,$Sales,,,,$140,$$$20,$$$2,730],[8,$January $20,$Purchase,$110,$$$9\mathrm{.}50,1,045,,,],[9,$January $25,$Sales,,,,$150,520,$$$2,535],[10,$January $30,$Purchase,$270,$$$9\mathrm{.}00,2,430,,,],[11,,$Totals,$560,,$$$5,365,270,,$$$5,265]]$

Compute gross profit for the month of January for Laker Company for the four inventory methods.

$\backslash$table$[[,\backslash$table$[[$Specific$],[$identification$]],\backslash$table$[[$Weighted$],[$Average$]],\backslash$table$[[$Periodic$],[$FIFO$]],\backslash$table$[[$Periodic$],[$LFO$]]],[$Sales$,,,,],[$Cost of goods sold,,,,$]]$

Which method yields the highest gross profit?

Does gross profit using weighted average fall between that using FIFO and LUFO?

If costs were rising instead of falling, which method would yield the highest gross profit? $$