Afirm produces two goods q1 and q2. for economies of scope to occur, it must be true that:

For economies of scope to occur it must be true that THE COST OF PRODUCING THE TWO GOODS TOGETHER IS LESS THAN THE COST OF PRODUCING THE GOODS SEPARATELY.
The economy of scope is the proportionate savings that is gained by producing two or more different goods together, when the cost of doing so is less than that of producing each separately.