Need the answers for 15,16 and 17 please

On January 2, 2017, a calendar-year corporation sold 8% bonds with a face value of $3,000,000. These bonds mature in five years, and interest is paid semiannually on June 30 and December 31. The bonds were sold for $2, 768,000 to yield 10 %. Using the effective-interest method of computing interest, how much should be charged to interest expense in 2017? $240,000. $276, 800. $277, 720. $300,000. On October 1, 2017 Macklin Corporation issued 5%, 10-year bonds with a face value of $6,000,000 at 104. Interest is paid on October 1 and April 1, with any premiums or discounts amortized on a straight-line basis. The entry to record the issuance of the bonds would include a credit of $150,000 to Interest Payable. $240,000 to Discount on Bonds Payable. $5, 760,000 to Bonds Payable. $240,000 to Premium on Bonds Payable. Bond interest expense reported on the December 31, 2017 income statement of Macklin Corporation would be $69,000 $75,000 $81,000 $138,000