please help me solve this problem

Problem B Hi-Tech is the creator of Y-Go, a technology that weaves silver into the fabric to kill bacteria and odour on clothing while managing heat. Y-GO has become very popular in undergarments for sports activities. Operating at capacity, Hi-Tech can produce 500,000 undergarments each year. The normal selling price is $10 per unit. The per unit cost for each unit is as follows: Perit Direct material Direct labour 0.50 Variable manufacturing overhead 10 Fixed manufacturing overhead 1.23 Variable selling expenses 035 The Canadian armed forces (CAF) has approached Hi Tech and expressed an interest in purchasing 75,000 Y-GO undergarments for soldiers stationed in hot climates. Required: To answer a, b, and c, use the minimum price model: Minimum Price model Variable cost Plus Lost CM regular sales quals Total minimum price (TMP) Uniprice (TMP/units special order) XX XX XX a) If Hi-Tech is operating at 100% capacity what is the minimum price to charge? b) If Hi-Tech is operating at 90% capacity what is the minimum price to charge? c) If Hi-Tech is operating at 70% capacity what is the minimum price to charge? d) Assume High Tech is operating at 90% capacity and Hi-tech receives a special order from the CAF for 75,000 Y-Gos at a selling price of $8.00 per unit. Compute the increase in profit (or loss) if High Tech accepts the order