Masters (msc Finance) Or Acca

A problem shared I believe is half solved, it's about my kid brother he's kind of confused on what to do next, he's undeciced on whether to go for his masters or start studying for his ACCA, his undergrad degree was in Accounting and Finance and he has an outstanding result. please can the house help out with some useful and insightful suggestions? Abeg make una help me, because the guy no dey gree me sleep.
Many thanks!