Flagstaff Enterprises is expected to have a free cash flow next year of £8 million, and this free cash flow is expected to grow at a rate of 3% per year thereafter. Flagstaff has an equity cost of capital of 13%, a debt cost of capital of 7%, and it is in the 35% corporate tax bracket. If Flagstaff currently maintains a 0.8 debt to equity ratio, then calculate the value of Flagstaff's interest tax shield. Please round your answer to the nearest 0.01.
A. 18.00 million
B. 19.02 million
C. 20.05 million
D. 21.07 million
E. None of the above