need help with the 5&6 plus the 7&8 section. please explain too, thanks a ton.

Kubin Company's relevant range of production is 10,000 to 12,000 units. When it produces and sells 11,000 units, its average costs per unit are as follows: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Average Cost per Unit $7.10 $4.10 $1.60 $5.10 $3.60 $2.60 $1.10 $0.60 Required: 1. If 10,000 units are produced and sold, what is the variable cost per unit produced and sold? 2. 12,000 units are produced and sold, what is the varioble cost per unit produced and sold? 3. If 10,000 units are produced and sold, what is the total amount of variable cost related to the units produced and sold? 4. 12,000 units are produced and sold, what is the total amount of variable cost related to the units produced and sold? 5. 10,000 units are produced, what is the average fixed manufacturing cost per unit produced? 6. 12.000 units are produced, what is the average fixed manufacturing cost per unit produced? 7. 110.000 units are produced, what is the total amount of fixed manufacturing overhead incurred to support this level of production? 8. I 12,000 units are produced, what is the total amount of fixed manufacturing overhead incurred to support this level of production? (Round per unit values to 2 decimal places.) 10,000 units 12,000 Unts 1 & 2 Variable cost per unit produced and sold 2.& 4 Total amount of variable controlated to units produced and sold 5.80 Average fixed manufacturing cost per unit produced 7.& 8 Total amount of food manufacturing overhead $ 14.50 $ 14.50 $145.000 s 174,000