Euston has an operating cash cycle of 60 days. Its inventory days are 38 days. Sales on credit were 8 million, purchases on credit were 2 million and cash purchases were 270,000. Year-end trade payables are 230,000. Calculate Euston's trade receivables days for the year (answer to the nearest day). O a. 42 days O b. 64 days O c. 32 days d. 59 days