How much cash would receive upon issuance of bonds

Question

Response to the following :

Refer to the data for Neptune Corporation in problem. If Neptune issued the bonds payable on June 30, how much cash would Neptune receive upon issuance of the bonds?

Problem:

Neptune Corporation issued 8%, 20-year bonds payable with a maturity value of $500,000 on March 31. The bonds were issued at 100 and pay interest on March 31 and September 30.

Record:

(a) issuance of the bonds on March 31,

(b) payment of interest on September 30, and

(c) accrual of interest on December 31.