question also includes calculation of "Buy, net increase (decrease)" along with "per unit and make"

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Emil Manufacturing incurs unit costs of $7.20 (\$5.20 variable and $2.00 fixed) in making a sub-assembly part for its finished product. A supplier offers to make 19,400 of the parts for $5.70 per unit. If it accepts the offer, Emil will save all variable costs and $1 of fixed costs. Prepare an analysis showing the total cost savings, if any, that Emil will realize by buying the part. (Round per unit answers to 2 decimal places, e.g. 15.25. If an amount reduces the net income then enter with a negative sign preceding the number, e.g. 15,000 or parenthesis, e.g. (15,000).)