PRICE ORNAMENTS
4 120
3.5 120+20
3.0 120+20+20
2.5 120+20+20+20
.
.
4-0.5x 120+20x
Revenue, , x is the number of $0.50 decreases from initial $4 price. or , .
Maximum is exact middle of the zeros of r.
-
, by itself, not an acceptable value for x.
-
-
Exact middle of the zeros:
Maximum revenue would be at x=1, or dollars per ornament.