Which of the following is true of a premium on bonds payable? O a. It is an account that appears only on the books of the investor. O b. It decreases when amortization entries are made until its balance reaches zero at the maturity date. c. It increases when amortization entries are made until it reaches its maturity value. d. It is a contra-stockholders' equity account. O now.com/ilrn/takeAssignment/takeAssi gnment