Study the given graph and answer the questions that follow.
$$Percent profit = \frac{Income - Expenditure}{Expenditure} \times 100$$
Profit = Income - Expenditure
In 2017, the expenditure (in ₹ crores) of company A was 250, and in 2019 the income (in ₹ crores) of company B was 350. What was the ratio of the income of company A in 2017 to the expenditure of company B in 2019?