$(1$a$)$ compute days sales uncollected

$(1$b$)$ determine if days sales uncollected improved or worsened in the current year

$(2$a$)$ compute accounts recievable turnover

$(2$b$)$ determine if accounts recievable 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