Bonita Industries, Inc. can produce$100$units of a

component part with the following costs:

$$

If$$Bonita Industries, Inc. can purchase the component part

externally for $$42000$and only $$4000$of the fixed costs

can be avoided, what is the correct make$-$or$-$buy decision?Buy and save $$1000$Make and save $$3000$Make and save $$1000$Buy and save $$7000$