1. At the beginning of second quarter 2021, the bank buys a trading security for $150. At the end of the second quarter the price is $170. The bank sells the security at $200 at the end of the third quarter 2021.

   In net, over the third quarter (i.e. comparing situation at two moments in time: the end of the second quarter and the end of the third quarter), the retained profit ___________________ , the bank shareholders' equity ______________, and the capital reserve _____________________ .

   	A.	increased by $30; decreased by $20; increased by $30
   	B.	increased by $30; increased by $30; did not change
   	C.	decreased by $50; did not change; decreased by $50;
   	D.	increased by $30; did not change; decreased by $50
   	E.	increased by $50; decreased by $20; increased by $50