Tack Corporation produces a single product with the following information available:

Number of units produced annually: 25,000

Variable product cost: $12/unit

Variable S&A cost: $7/unit

Fixed costs per year:

Manufacturing OH: $125,000

S&A Cost: $111,000

22,645 units were sold last year by Tack at the price of $45 each.

1) What was the amount of difference between NOI under absorption costing and NOI under variable costing for Tack at the end of last year?