某銀行 1 個月美金 10%
bid 7.827 ask 7.871
HKD10000 = 10000/7.871=1270 USD
1270 * (1+0.1/12)= 1280USD
1280 * 7.827=10018
effective interest rate = ((10018-10000)/10000)*12=2.16%
銀行外幣儲存抵做嗎
芒椰奶西米露出
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有無諗過去返7.75