Gabriel Manufacturing must implement a manufacturing process that reduces the amount of toxic by-products. Two processes have been identified ha provide the same level of toxic by-product reduction. The first process would incur $300,000 of fixed costs and $600 per unit of variable costs. The second process has fixed costs of $120,000 and variable costs of $900 per unit.

a. What is the break-even quantity beyond which the first process is more attractive?

b. What is the difference in total cost If the quantity produced is 804) units?