Most of ATMs in Taiwan don't have fees for international withdrawals, including Visa / Mastercard.
However, some ATMs might make you pay a fee (usually NTD 100). So unless you're in a big hurry, cancel the transaction and find another ATM.
The 7-Eleven convenience stores ATMs will make you pay this fee, but the Family Mart ones won't.
Walk around the night market of Kyimyinedine and try street foods, get to know Yangon in a local way, get to taste some of the must-try foods of Myanmar such as Monhingar and Laphatthot, learn about Yangon tea culture from your guide, enjoy more than ten snacks and dishes on this private food tasting tour!