Your client Charlie is thinking about making a large investment into the Sentinel Canadian Equity Fund on December $15.$ The ex$-$dividend would you give Charlie to avoid the tax trap?

Purchase the mutual fund after the ex$-$dividend date of December $20.$

Make the purchase on December $15$ but choose to reinvest the distributions.

Make the purchase on December $15$ but choose to receive the distributions in cash.

Purchase the mutual fund before the ex$-$dividend date of December $20$