For 2021, Rahal's Auto Parts estimates bad debt expense at 1% of credit sales. The company reported accounts receivable and an allowance for uncollectible accounts of $86,500 and $2,100, respectively, at December 31, 2020. During 2021, Rahal's credit sales and collections were $404,000 and $408,000, respectively, and $2,340 in accounts receivable were written off. Rahal's final balance in its allowance for uncollectible accounts at December 31, 2021, is:

Which of the statements best describes why the aggregate demand curve is downward sloping? an increase in the aggregate price level causes consumer and investment spending to fall, because consumer purchasing power decreases and money demand increases. as the aggregate price level increases, consumer expectations about the future change. as the aggregate price level decreases, the stock of existing physical capital increases. as a good's price increases, holding all else constant, the good's quantity demanded decreases.