By Lars Mucklejohn Nationwide plans to pay around £385m directly into customers’ accounts as Britain’s largest building society continues to enjoy bumper earnings on the back of higher interest rates. The lender, which has more than 16m members, said on Thursday that its board had approved the “Fairer Share” payment to be made next month to certain eligible current account customers with a savings account or a mortgage. The move came as Nationwide reported a pretax profit of £1.78bn for the year ending on 4 April. Although this figure was down 20 per cent from a record £2.23bn the year before,…