The company has $$100,000$ of $9\%$ bonds available for sale on January $1.$ Interest is payable on each June $30$ $$\_\_\_\_\_\_$ and December $31.$ If the bonds are sold at par on March $1,$ two months after the original issue date of January $1,$ the issuer collects two months interest $ $\_\_\_\_\_\_$ from the buyer at the time of sale. Then calculate the original interest payment on June $30$ $$\_\_\_\_\_$

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