Crane, Inc. produces several models of clocks. An outside supplier has offered to produce the commercial clocks for Crane for $480 each. Crane needs 1,200 clocks annually. Crane has provided the following unit costs for its commercial clocks: Incremental Effect LA $ Prepare an incremental analysis which shows the effect of the make-or-buy decision. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Direct materials Direct labor Variable overhead $120 160 100 Fixed overhead (40% avoidable) 170 Incremental Analysis > > LA > OF $