Currently Working out the equity method however I need help to figure how to get Goodwill of 80,400.

Please Show Work.

Patrick Corporation acquired 100 percent of O'Brien Company's outstanding common stock on January 1 for $685,000 in cash. O'Brien reported net assets with a carrying amount of $371,000 at that time. Some of O'Brien's assets either were unrecorded (having been internally developed) or had fair values that differed from book values as follows: Trademarks (indefinite life) Customer relationships (5-year remaining life) Equipment (10-year remaining life) Book Fair Values Values $ 80,000 $ 247,000 0 100,800 399,000 364,800 Any goodwill is considered to have an indefinite life with no impairment charges during the year. The following are financial statements at the end of the first year for these two companies prepared from their separately maintained accounting systems. O'Brien declared and paid dividends in the same period. Credit balances are indicated by parentheses. Revenues Cost of goods sold Depreciation expense Amortization expense Income from O'Brien Net income Retained earnings 1/1 Net income Dividends declared Retained earnings 12/31 Cash Receivables Inventory Investment in O'Brien Trademarks Customer relationships Equipment (net) Goodwill Total assets Liabilities Common stock Retained earnings 12/31 Total liabilities and equity Patrick $(1,627,500) 434,000 87,000 29,600 (245, 460) $(1,322,360) $ (804,000) (1,322,360) 151,000 $(1,975,360) $ 223,000 328,000 209,000 841,460 550,000 0 950,000 0 $ 3,101,460 $ (726,100) (400,000) (1,975,360) $(3,101,460) O'Brien $ (608,000) 272,000 73,800 0 0 $ (262,200) $ (271,000) (262,200) 89,000 $ (444,200) $ 123,500 58,200 168,000 0 66,900 0 275,000 0 $ 691,600 $ (147, 400) (100,000) (444,200) $ (691,600) a. Which investment method did Patrick use to compute the $245,460 income from O'Brien? Part a $ 685,000 O'Brien acquisition- date fair value O'Brien book value 371,000 Fair value in excess of book value $ 314,000 Allocation: Life Amortization Trademarks indefinite $ $ 167,000 5 yrs. $ 20,160 Customer relationships 100,800 Equipment 10 yrs. $ -3,420 -34,200 Goodwill indefinite $ $ 80,400 Total $ 16,740 $ 314,000