Why are domestic cash management systems less complicated thaninternational cash

Why are domestic cash management systems less complicated thaninternational cash management systems? a. Domestic systems do nothave to allow for currency fluctuations. b. International cashmanagement systems are not affected by interest rate differences.c. International cash management systems actually are lesscomplicated because the rest of the worlds major countries aremore attuned to the advantages of electronic funds transfer. d.International cash management systems actually are less complicatedbecause transactions are fewer but for larger sums of money.