Notson, Inc. produces several models of clocks. An outside supplier has offered to produce the commercial clocks for Notson for $420 each. Notson needs 1,200 clocks annually. Notson has provided the following unit costs for its commercial clocks: Direct materials Direct labor Variable overhead $100 140 80 Fixed overhead (40% avoidable) 150 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 eg.-45 or parentheses eg. (45).) Incremental Analysis Cost to buy Incremental Effect $ Incremental Analysis Cost to buy $ Incremental Effect Savings of direct labor Incremental net cost to buy Savings of variable overhead Cost to buy Cost to make Cost savings Total cost savings Incremental net cost to make Savings of fixed overhead Savings of direct material S