A Company Has Two Departments, Aa and Bb, That Incur

A company has two departments, Aa and Bb, that incur delivery expenses.An analysis of the total delivery expense of $9,000 indicates that Dept.Aa had a direct expense of $1,000 for deliveries.None of the $9,000 is a direct expense to Dept.Bb.The analysis also indicates that 60% of regular delivery requests originate in Dept.Aa and 40% in Dept.Bb.The delivery expenses that should be charged to Dept.Aa and Dept.Bb, respectively, are: $$\begin{array} { c c c } &\text { Aa } & \text { B b } \\\text { A } & \$ 4,500 & \$ 4,500 \\\text { B. } & \$ 5,800 & \$ 3,200 \\\text { C. } & \$ 5,500 & \$ 3,500 \\\text { D. } & \$ 5,500 & \$ 4,500 \\\text { E. } & \$ 5,400 & \$ 3,600\end{array}$$