Accrual inoome versus cash flow for a period. Thomas Book Sales, Inc., Supplies textbooks to college and university bookstores. The books are shipped with a proviso that they must be paid for within 30 days but can he returned for a full refund credit within 90 days. In 2014. Thomas shipped and billed book titles totaling $620 comma {100620.000. Collections, net of return credits. during the year totaled $606 comma 296606.296. The company spent $261 comma 555261.555 acquiring the books that it shipped. a. Using accrual acoounting and the preceding values, show the rm's net prot for the past year. Is. Using cash accounting and the preceding values. show the rm's net cash flow for the past year. c. Which of these statements is more useful to the nancial manager? Why