III. Computation $($points per item vary$).$ For items involving computations, you may earn

partial credit when the final answer is incorrect if it is evident from what you have written on the

exam that you recognized the correct strategy but failed in the implementation. Show all work.

Only work that is written on the exam and legible can be considered for partial credit.

$(6$ points$)$ A marketer is looking to promote a new DVD release to their customer database.

They have segmented their customer base into five groups, referred to as $A-E$ based on their

likelihood of responding. Each active buyer spends approximately $$23$ of which $$9$ is

contribution, and the cost of reaching out to each customer is approximately $$1\mathrm{.}25.$ Complete

cells $a-1$ in the table below.