Which choice below represents the objective function and constraints for the following situation?

Producing a bookshelf requires 6 boards and 18 screws. Producing a TV stand requires 10 boards and 14 screws. Each bookshelf yields $26 profit, and each TV stand yields $29 profit. There are 50 boards and 180 screws available.

6
x
+
10
y
≤
50
,
18
x
+
14
y
≤
180
,
x
≥
0
,
y
≥
0


6
x
+
18
y
≤
26
,
10
x
+
14
y
≤
29
,
x
≥
0
,
y
≥
0


6
x
+
10
y
≤
26
,
18
x
+
14
y
≤
29
,
x
≥
0
,
y
≥
0


6
x
+
18
y
≤
50
,
10
x
+
14
y
≤
180
,
x
≥
0
,
y
≥
0