Correct Answer: Wool and Mutton.

Solution : Correct Answer is Wool and Mutton.

Joint supply refers to a situation where an increase or decrease in the supply of one good causes the supply of another by-product to similarly change. A product or process that has the potential to produce two or more outputs is referred to by the economic term "joint supply." Within the livestock sector, cows are frequently used as examples because they can produce milk, beef, and hides. Wool, sheepskin, meat, and dairy products can all be produced from sheep.