The following information is available for Mooney Corporation:

Year : 2024 2025 2026 2027
Accounting Income: $250,000 $300,000 $320,000 $340,000
Installment sales in 2024 is $80,000. The company's total income over the four years is:
a) $1,210,000
b) $1,210,000 plus installment sales
c) $1,210,000 minus installment sales
d) $990,000