The Trump Administration's Department of Justice has issued an updated report about the cost of Special Counsel Robert Mueller's investigation into Russian interference in the U.S. election, bringing the tab to $10 million through March 31.

The Department of Justice is reporting that Mueller's office spent $4.5 million of the total $10 million with the Justice Department adding $5.5 million in costs to support the special counsel's office. 

Also according to the report, Mueller's office, which was appointed in May 2017 to investigate allegations of collusion between the Trump campaign and Russia, has spent $874,069 on salaries and benefits for its employees. The Justice Department spent $1.9 million on employees who were "loaned out" to Mueller's office. 

The Justice Department report also included funds spent on travel, which came to $532,340 of which $14,220 was for direct travel by Mueller's office. The temporary relocation of Justice Department employees came to $518,120.

According to the article, the Justice Department report also states that $264,114 was spent on IT, financial and other services in order to conduct the investigation. 

To date, the special counsel investigation has resulted in five guilty pleas including those from former Trump aides and advisers.