The bar graph describes the Non-Governmental Organization revenue by source and season. There are three sources: Sales Proceeds, Private Donations, and Corporate Sponsors, and the seasons are Spring, Summer, Fall, and Winter.
To begin with, the Sales Proceeds had the highest revenue in Spring at about 9 million, and it rapidly decreased in Summer to up to 4 million. However, it remained the same in Winter. The Private Donations had the lowest revenue in Spring about 4 million, and then it peaked at 7 million in Winter. The Corporate Sponsors had the lowest revenue in Spring at about 2 million, and it remained stable in Summer, whereas it modestly increased in Fall and slightly decreased in Winter.
To conclude, the revenue of Private Donations increased by 1 million every season. The revenue of Private Donations and Corporate Sponsors was the same in Winter at about $7 million.Fall had lowest Sales Proceeds at about 2 million.