Required: Please answer all parts a$,$ b$,$ and c based on the problem given

a$.$ Prepare Purity's consolidated classified balance sheet, multiple$-$step income statement and statement of retained earnings for $2022($Use Excel & Show work$)$

b$.$ Prepare and complete a worksheet for the preparation of consolidated financial statements for $2022.$

c$.$ Calculate the gross profit in $2021$ and $2022$ inventories