Please help on 5 to be marked the brainliest

Answer:
4000
Step-by-step explanation:
3200 x 250 = 800,000 x 0.1 = 80,000
4000 x 250 = 1,000,000 x 0.1 = 100,000
4200 x 250 = 1,050,000 x 0.1 = 105,000
5000 x 250 = 1,250,000 x 0.1 = 125,000