Answer:
For the salesman to more lucrative, the yearly business should be greater than $142857.1429.
Explanation:
let $x be the yearly business that the salesman must do
35,000 + 22%x > 45,000 + 15%x
7x/100 > 10000
7x > 1,000,000
x > $142857.1429
Therefore, for the salesman to more lucrative, the yearly business should be greater than $142857.1429.