In $2023,$ Benwill Corporation, a calendar year end, accrual basis taxpayer provided services to clients and earned $$30,000.$ The clients signed notes receivable to Benwill that have a fair market value of $$27,000$ at year end. Also, Benwill sold a $36$ month service contract on May $1,2023$ and received payment in full of $$12,000.$ Benwill properly elected the special deferral method of Section $451($c$).$

How much income does Benwill report in $2023$:

A$)$ From the notes receivable?

B$)$ Why this amount?

C$)$ From the service contract? Round to the nearest dollar.

How much income does Benwill report in $2024$:

D$)$ From the service contract?

Please label each answer and show all calculations $-$ round answers to the nearest dollar. $($Under this $$AFS deferral method,$$ a taxpayer includes in its gross income any portion of an advance payment that is recognized in its AFS in the year of receipt and includes the remaining portion of the advance payment in gross income in the following taxable year.$)$