Bonita Industries incurs the following costs to produce $9000$ units of a subcomponent:

An outside supplier has offered to sell Bonita the subcomponent for $$2\mathrm{.}85$ a unit.

If Bonita could avoid $$3000$ of fixed overhead by accepting the offer, net income would increase $($decrease$)$ by

$$(1560).$

$$(5610).$

$$420.$

$$6420.$