被動部位
start:2700
Input:4500
end:7851
Money-weighted return: +13.08%
主動部位
start:3708 (include 2400 because of RB)
input:2400
end:3562
Money-weighted return:-3.92%
Total
start: 2700+4500+3708=10908
end:11413
Money-weighted return:+4.63%
VOO Dollar Cost Average : +12.2%
