Complex sentence: The Museum of Modern Art acquired the painting for $24,000 raising $18,000 toward the purchase price by selling a Degas painting and obtaining the remainder from donations by the co-owners of the gallery Jacques Seligman and Cesar de Hauke.
Split into simpler sentences: The Museum of Modern Art acquired the painting for $24,000. The museum raised $18,000 toward the purchase price by selling a Degas painting and the rest came from donations from the co-owners of the gallery Jacques Seligman and Cesar de Hauke.