Ivanhoe Corporation manufactures and sells three different types of binoculars. They are referred to as Good, Better, and Best binoculars. Grinding and polishing time is limited. More time is required to grind and polish the lenses used in the Better and Best binoculars. Additional unit information is provided below. Selling price Variable costs and expenses Contribution margin Grinding and polishing time required Good $71.10 48.00 $23.10 0.30 hrs Product Better $311.20 181.00 $130.20 1.40 hrs Best $1,003.00 485.00 $518.00 7 hrs

Ivanhoe Corporation manufactures and sells three different types of binoculars. They are referred to as Good, Better, and Best. bincculars. Grinding and polishing time is limited. More time is required to grind and polish the lenses used in the Better and Best binoculars. Additional unit information is provided below. What is the contribution margin per unit of limited resource for each type of binocular