I have Principles of Financial Accounting homework and I need help to solve part 3 and part 4 only with is 1 hours exactly

 I have Principles of Financial Accounting homework and I need help to solve part 3 and part 4 only  

with is 1 hours exactly  

• Attachment 1
• Attachment 2

Cost assigned to ending Inventorya)b)c)d) FIFOLIFOWeighted averageSpecific identification method 233202200021721.8722820 Compute the gross profit earned for each of these four methods;...