r₁

n₁

r₂

n₂

r₃

n₃

Profit (£)

Offer

6

16

6

16

0 - 12

16

4.7471

5%

6

16

6

16

13

16

5.0671

15%

6

16

6

16

14

16

5.4522

15%

6

16

6

16

15

16

5.8412

15%

6

16

6

16

16

16

6.2305

15%