Answer:
bonds' face value $180,000
coupon rate 8%, semiannual = 4%
maturity 3 years x 2 = 6 periods
market interest rate = 10% or 5% semiannual
the journal entry to record the issuance of the bonds:
January 1, 2017, bonds issued at a discount
Dr Cash 170,862
Dr Discount on bonds payable 9,138
Cr Bonds payable 180,000
the amortization of the bond discount should be $9,138 / 6 = $1,523 on every coupon payment.
Journal entry to record payment of first coupon:
June 30, 2017, first coupon payment
Dr Interest expense 8,723
Cr Cash 7,200
Cr Discount on bonds payable 1,523