Analyzing Income under Absorption and Variable Costing

Variable manufacturing costs are $$126$ per unit, and fixed manufacturing costs are $$157,500.$ Sales are estimated to be $10,000$ units.

If an amount is zero, enter $"0".$

a$.$ How much would absorption costing income from operations differ between a plan to produce $10,000$ units and a plan to produce $15,000$ units?

$

fill in the blank $1$

b$.$ How much would variable costing income from operations differ between the two production plans?

$

fill in the blank $2$