A marketer is looking to promote a snack kit delivery service launch to their customer database. They have segmented their customer base into five groups, referred to as A $$ E based on their likelihood of responding. Each active buyer contributes approximately $$12\mathrm{.}50$ and the cost of reaching out to calculate each customer is approximately $$0\mathrm{.}50.$

Group The number of Customers The number of Buyers Response Rate Lift

A $2,000160($A$)($F$)$

B $2,000120($B$)($G$)$

C $2,00095($C$)($H$)$

D $2,00070($D$)($I$)$

E $2,00045($E$)($J$)$

$1.$ Complete cells $($A$)$ to $($J$)$ in the table below.

$2.$ What is the breakeven rate?

$3.$ Which group should the marketer include in the marketing campaign?

$4.$ If you reach out to only the group you selected in Q$3,$ what is the gross profit in dollars of this marketing campaign?

$5.$ If you reach out to only the group you selected in Q$3,$ what is the return on marketing expenditures $($gross profit as a function of marketing costs$)?$

$6.$ What is the breakeven index of group B$?$

$($Please show work of how you receieved each answer. Thank you so much!$).$