The following information has been calculated for A Co: Trade receivables collection period: 52 days Raw material inventory turnover period: 42 days Work in progress inventory turnover period: 30 days Trade payables payment period: 66 days Finished goods inventory turnover period: 45 days What is the length of the working capital cycle? Select one: O a. 31 days O b. 103 days O c c. 131 days d. 235 days