r1

n1

r2

n2

Profit (£)

Offer

3

10

0 - 8

22

3.6943

5%

3

10

9

22

3.7872

10%

3

10

10

22

4.1981

10%

3

10

11

22

4.6179

10%

3

10

12

22

5.0377

10%

3

10

13

22

5.4575

10%

3

10

14

22

5.8773

10%

3

10

15

22

6.2971

10%

3

10

16

22

6.7169

10%

3

10

17

22

7.1367

10%

3

10

18

22

7.5566

10%

3

10

19

22

7.9764

10%

3

10

20

22

8.3962

10%

3

10

21

22

8.8160

10%

3

10

22

22

9.2358

10%