In Year 1, Alex Burg, a cash-basis taxpayer, earned an annual salary of $80,000 at Ace Corporation but elected to take only $50,000. Ace, which was financially able to pay Burg's full salary, credited the unpaid balance of $30,000 to Burg's account on the corporate books in Year 1 and actually paid this $30,000 to Burg in Year 2. How much of the salary is taxable to Burg in Year 1?
A. $50,000
?. $60,000
C. $65,000
D. $80,000