Left
3 x 6 x 1¾ = $20
6 x 6 x 1½ = $20
5 x 6 x 1¾ = $20
5½ x 7½ x 1½ = $25
~
Right
6 x 9 x 1½ (ellipse) = $30
5 x 11 x 1½ (ellipse) = $30
If you rent all six = $145
Left
3 x 6 x 1¾ = $20
6 x 6 x 1½ = $20
5 x 6 x 1¾ = $20
5½ x 7½ x 1½ = $25
~
Right
6 x 9 x 1½ (ellipse) = $30
5 x 11 x 1½ (ellipse) = $30
If you rent all six = $145