$4.$ The table below shows a cost$-$plus incentive contract for a project with a floor of R$40$ million, a target of R$50$ million and a ceiling of R$70$ million. If the client meets the floor of R$40$ million, they are entitled to an incentive of R$10$ million. If the costs reach the ceiling of R$70$ million, the client will receive no incentive. Using this information, calculate the values of A to G shown in the table below. show all calculations. No calculation, no marks.

Cost $($R million$)$ Customer pays $($R million$)$ Contractor receives $($R million$)$

Target $($contract$)60$ million $($A$)($B$)$

Actual $50$ million $($C$)($D$)$

Actual $($E$)4$ million $($F$)$

Actual $75$ million $($G$)($H$)$