Sheridan Company has the following costs when producing 100000 units: An outside supplier is interested in producing the item for Sheridan. If the item is produced outside, Sheridan could use the released production facilities to make another item that would generate $90000 of net income. At what unit price would Sheridan accept the outside supplier's offer if Sheridan wanted to increase net income by $80000 ? $5.90 $7.70 $6.90 $6,10