Later sales were steady and would have given Joplin an income which would have covered his expenses; in 1909 estimated sales would have given him an income of $600 annually (approximately $in current prices).
Later sales were steady. Later sales would have given Joplin an income. This income would have covered his expenses. Estimated sales would have given him an income of $600 annually (approximately $in current prices). This was in 1909.