A company has credit turnover of NOK 10 million this year. 31.12.x1 this year, trade receivables were NOK 7.38 million. The company has seasonal operations so that 60% of credit sales take place in December, the other 40% is evenly distributed over the other months of the year. Accounts receivable 31.12.x0 was NOK 5.02 million. Normal credit period for credit sales is 30 days.

Task: Calculate the average credit time this year.