$40.$ In year $0,$ Canon purchased a machine to use in its business for $$56,000.$ In year $3,$ Canon sold the machine for $$42,000.$ Between the date of the purchase and the date of the sale, Canon depreciated the machine by $$32,000.$

a$.$ What are the amount and character of the gain or loss Canon will recognize on the sale, assuming that it is a partnership?

b$.$ What are the amount and character of the gain or loss Canon will recognize on the sale, assuming that it is a corporation?

c$.$ What are the amount and character of the gain or loss Canon will recognize on the sale, assuming that it is a corporation and the sale proceeds were increased to $$60,000?$

d$.$ What are the amount and character of the gain or loss Canon will recognize on the sale, assuming that it is a corporation and the sale proceeds were decreased to $$20,000?$