Dave has an overdraft limit of £3,000. The first £250 of arranged overdraft is interest free. The remainder of the arranged overdraft is charged interest at a rate of 1.12% per month. Unarranged overdrafts are not charged interest but are charged a fee of £5 per day, subject to a maximum charge of £80 per month. Dave was overdrawn by £5,000 for the whole of April. Calculate the total cost of this overdraft for the month of April.