When Brian took over as facilities manager for Burlington Furniture Manufacturing, he was shocked to see the factory was still heated with a coal$-$fired boiler. He made an immediate decision to upgrade the heating system to something more efficient and began to research available options. For Brian and Burlington Furniture, this represented a$($n$)\_\_\_\_\_\_\_\_$ situation.

Group of answer choices

adapted buy

modified rebuy

straight rebuy

generic buy

new buy