He might be guilty of, no crime because he did not appropriate the funds, he just let them be in the wrong company account.
Explanation:
The purpose of EFT is to enable the transfer of money from one account number to another within or outside an institution. Entering the account number to which the fund is to be transferred should be correct or the money will be transferred to someone's account number if any mistakes happens.
Here, the mistake done by McClelland, had made the fund transfer to a wrong account number. But this happened within the company. This was noticed and corrected by Sisuphan. He might not be guilty of any crime. This is because the he found the mistake done by McClelland and he just found that it was transferred to another account of the same company.