£8.50 per packet – 10 a day

£29.75 per week
£127.50 per month
£1,547 per year

£8.50 per packet – 20 a day

£59.50 per week
£255 per month
£3,094 per year

£8.50 per packet – 40 a day

£119 per week
£510 per month
£6,188 per year