question 1. If the selling price is $22 per unit, what is the gross margin when 10000 units are sold? Q2. if 11000 units are produce what are the total amounts of their regen in the ragman of our train costs incurred to support this level of reduction? Q3 what total incremental costs will the company incur if it's increase production from 10000 to 10001 unit? can u show the solution so i can study it.

Martinez Company's relevant range of production is 7,500 units to 12,500 units. When it produces and sells 10,000 units, its unit costs are as follows: Amount per Unit Direct materials $6.00 Direct labour $3.50 Variable manufacturing overhead $1.50 Fixed manufacturing overhead $4.00 Fixed selling expense $3.00 Fixed administrative expense $2.00 Sales commissions $1.00 Variable administrative expense $0.50