• If you earn 20 dollars a day, in a year it would be: 20×365×7.1≈51710 yuan.

• 30 dollars a day: 30×365×7.1≈77565 yuan.

• 50 dollars a day: 50×365×7.1≈128575 yuan.

• 100 dollars a day: 100×365×7.1≈257150 yuan.

• 150 dollars a day: 150×365×7.1≈385725 yuan.

• 200 dollars a day: 200×365×7.1≈514300 yuan.

Earning 20 dollars is not difficult, what is difficult is persistence.