$3.$ Rissa Roo has bought some shares of Chamath Sachs during $2021,$ on several occasions. On July $21,2021$ they sold $2,000$ of them for $$65$ per share.

Calculate their taxable capital gain or loss based on this data:

$($remember weighted average cost$)$

Quantity Price per share

March $20,20211000$ $ $70\mathrm{.}00$

May $10,20213400$ $ $55\mathrm{.}00$

June $20,20211240$ $ $43\mathrm{.}00$

August $2,20211030$ $ $91\mathrm{.}00$