The Millers have recently experienced some unexpected expenses and had to make two consecutive withd

The Millers bear recently conversant some unforeseen expenses and had to mould two continuous withdrawals from their portfolio: $7500 on March 13, 2015 and another $11000 on the latest day of March. What is the time-weighted reappear of their portfolio for March 2015, if at the origin of the month they held $23000 in stocks, $18000 in bonds and $9500 in specie trade instruments?