r1

n1

r2

n2

r3

n3

r4

n4

Profit (£)

Offer

1

3

1

4

5

7

6

8

9.9967

5%

2

3

1

4

5

7

6

8

23.3233

5%

3

3

1

4

5

7

6

8

39.9800

5%