Answer and Explanation:
The journal entries are shown below:
Cash Dr $5,000,000
   To Bond proceeds $5,000,000
(Being issuance of the constructions bonds are recorded)
Debt issuance cost  $50,000
    To Cash $50,000
(Being debt issuance cost is recorded)
Cash $4,950,000
Debt issuance cost $50,000
    To Bond Proceeds $5,000,000
(being issuance of the construction bond is recorded)