DiSalvo, Incorporated, is analyzing a proposed project that is expected to have sales of $2,450$ units, $+-8$ percent. The expected variable cost per unit is $$246$ and the expected fixed costs are $$309,000.$ Cost estimates are considered accurate within a $+-3$ percent range. The depreciation expense is $$106,000.$ The sales price is estimated at $$599$ per unit, $+-2$ percent. What is the amount of the total costs per unit under the worstcase scenario?