Your friend's portfolio manager has suggested two high-yielding stocks: Consolidated Edison (ED) and Royal Bank of Scotland (RBS-K). ED shares cost $40 and yield 5.5% in dividends. RBS-K shares cost $25 and yield 7.5% in dividends. You have up to $25,200 to invest, and would like to earn at least $1,386 in dividends.

Let the number of shares in ED be x, and the number of shares in RBS-K be y. The equations representing the constraints are:

• Total amount invested: ??????????
• Total dividend earned: ????????????

Note: Enter <= for less than and >= for greater than

For the scenario above, draw the feasible region that shows how many shares in each company you can buy. Find the corner points of the region. Enter each corner separately in the parentheses below. Round each coordinate to the nearest whole number and separate x and y values with a comma.

( ??????????????? ) ( [1] ) ( [1] )