Vaughn Manufacturing has the following costs when producing 100000 units: Variable costs Fixed costs $600000 900000 An outside supplier is interested in producing the item for Vaughn. If the item is produced outside, Vaughn could use the released production facilities to make another item that would generate $220000 of net income. At what unit price would Vaughn accept the outside supplier's offer if Vaughn wanted to increase net income by $160000? $8.20 $5.40 $6.60 $9.80