Answer:
Amount = Maturity/(1+risk rate)⁴
Amount = $100,000/(1+0.12)⁴
Amount = $63,552 (Approx)
Interest payable = $63,552 x 0.12
Interest payable = $7,626 (Approx)
Interest payable (2nd period) = ($63,552+$7,626) x 0.12 
Interest payable (2nd period) = $8,541 (Approx)
Step-by-step explanation:
  JOURNAL ENTRY
 BOOKS OF (.....)
Date Account title Debit Credit
 Cash a/c Dr $63,552 
 To Bonds payable a/c $63,552 
1st-period 
 Bond Interest a/c Dr $7,626
 To Bonds payable a/c $7,626 
2nd-period 
 Bond Interest a/c Dr $8,541
 To Bonds payable a/c $8,541