Here is selected financial statement data regarding a company's intangible assets. Balance Sheet: Dec. 31, 2018 $ 633,000 Dec. 31, 2017 $ 1,460,000 Intangible assets, net 2018 Income Statement: Amortization expense Gain on sale of intangible assets $ 375,000 30,000 During the year, the company sold intangible assets and received $600,000 in cash proceeds for the sale. In the statement of cash flows, the investing activities section should show a cash disbursement for "purchases of intangible assets" for $ . Input number as is, without negative signs, brackets or parenthesis