On January 1, 2017, Shamrock Company purchased 12% bonds, having a maturity value of $276,000, for $296,924.88. The bonds provide the bondholders with a 10% yield. They are dated January 1, 2017, and mature January 1, 2022, with interest received on January 1 of each year. Shamrock Company uses the effective-interest method to allocate unamortized discounts or premiums. The bonds are classified as an available-for-sale category. The fair value of the bonds at December 31 of each year-end is as follows. 2017 $294,800 2020 $286,100 2018 $285,000 2021 $276,000 2019 $284,100

 (a) Prepare the journal entry at the date of the bond purchase.

 (b) Prepare the journal entries to record the interest revenue and recognition of fair value for 2017. 

(c) Prepare the journal entry to record the recognition of fair value for 2018.