Paraphrase "At the given price, the customers are willing to pay more for umbrellas on rainy days. This implies that the demand for umbrellas increases on rainy days. As there is an increase in demand for umbrellas, the demand curve will shift to the right at the given price level. The rise in demand is not because of a price change, but because of the change in weather, thus, there will be a shift in the demand curve." into 2 sentences