Karl works at Moe's grocery. This year Karl was paid $47,000 in salary but he was allowed to purchase his groceries at 15% below Moe's cost. This year Karl spent $4,930 to purchase groceries costing Moe $5,800 and worth $8,700. What amount must Karl include in his gross income?

Multiple Choice

1. $51,930.
2. $52,800.
3. $55,700.
4. $47,870.
5. $49,500.