The company's income statements for the current year and one year ago follow. Assume that all sales are on credit:

$(1-$a$)$ Compute days' sales uncollected.

$(1-$b$)$ Determine if days' sales uncollected improved or worsened in the current year.

$(2-$a$)$ Compute accounts receivable turnover.

$(2-$b$)$ Determine if accounts receivable turnover ratio improved or worsened in the current year.

$(3-$a$)$ Compute inventory turnover.

$(3-$b$)$ Determine if inventory turnover ratio improved or worsened in the current year.

$(4-$a$)$ Compute days' sales in inventory.

$(4-$b$)$ For each ratio, determine if days' sales in inventory improved or worsened in the current year.