1. The problem involves analyzing the income distribution of a car-sales company across four quarters and four car brands based on a bar graph. 2. Since the graph is not provided as data, we cannot calculate exact values but can explain how to interpret such a graph. 3. Each vertical bar represents total income for a quarter, divided into segments for Nissan, Audi, Jaguar, and Fiat. 4. To find the income for a specific brand in a quarter, measure the height of that brand's segment on the bar and relate it to the y-axis scale. 5. The total income for a quarter is the sum of incomes from all four brands, equal to the total height of the bar. 6. To compare incomes between quarters or brands, compare the heights of the respective segments or bars. 7. Important rules: - Income values correspond to segment heights on the y-axis. - The sum of segment heights equals the total bar height. - The y-axis increments are 20 million euros. 8. Without exact segment heights, numerical answers cannot be provided, but this method allows reading and comparing incomes from the graph. Final answer: Use the bar heights and segment divisions to determine income per brand per quarter and total quarterly incomes by summing segments.