BL industries Ltd$.$ had one patent recorded in its books as at Januar$1,2022.$This patent had a book value of $$365000$ and remaining usefull life of $8$ years. During $2022$ BL incurred research costs of $$140000$ and brought a patent infringement suit against a competitor. On Dec $31,2022$ BL received a good news that its patent was valid and that its competitor could not use the process BL had patented. BL spent $$106000$ to defend this patent.