(a) Show llmt every prime olcrrient in R is irrexlnciblo,

(b) Suppose ihnl R is a PID. Show tlmt, every irreducible element in /i! is a prime.

(A) Receivables turnover.

(B) The inventory turnover

(C) The average days in inventory.

(D) Return on common stockholders' equity,

(A) Calculate the amount of cash flows from operating activities.

(B) Calculate the amount of cash flows from investing activities.

(C) Calculate the amount of cash flows from financing activities.

(D) Calculate the net change in cash.

五、（15%, @5 分) On January I, 2006, Matrix Corporation issued $^00,000, 5%, 5-year bonds dated January 1, 2006, at 95. The bonds pay anntial interesi on January 1. The company uses the slraight-line method of amortization and lms a calendar year encl. Instructions  Prepare all the journal entries that Matrix Corporation would nu related to this bond issue through January 1, 2007. He surt to indicate vhe dude on which (he entries would be made.

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