2010 10-K: Part II Logical Information Machines, Inc. business also includes eight distinct quantitatively driven model  portfolios covering value, growth, income generating, momentum,  and short-selling investment styles for the U.S. and Canadian equity  markets. We began including the financial results of this acquisition  in our Consolidated Financial Statements on May 1, 2009. The following table summarizes our allocation of the purchase price  to the estimated fair values of the assets acquired and liabilities  assumed at the date of acquisition: In December 2009, we acquired Logical Information Machines, Inc.  (LIM), a leading provider of data and analytics for the energy, finan- cial, and agriculture sectors, for $54,262,000 in cash including post- closing adjustments. LIM is a pioneer in providing market pricing  data, securities reference data, historical event data, predictive  analytics, and advanced data management solutions that help customers manage large sets of time-series data. LIM collects, unifies, and conducts quality assurance on data from more than 200  data sources in the energy, financial, and agriculture sectors and  provides clients with one central source for data intelligence and  analysis. LIM’s clients can also use LIM’s tools to analyze their own  proprietary data. The following table summarizes our allocation of the purchase price  to the estimated fair values of the assets acquired and liabilities  assumed at December 31, 2009, the date of acquisition, for LIM: Goodwill of $5,727,000 represents the premium we paid over the  fair value of the acquired net tangible and intangible assets. We paid  this premium for a number of reasons, including the strategic ben- efit of expanding our Canadian equity research and data offerings. The goodwill and intangible assets are amortizable for tax purposes  for a period of approximately 15 years from the date of acquisition. The purchase price allocation includes $23,800,000 of acquired  intangible assets, as follows: The deferred tax liability of $8,837,000 is primarily because the  amortization expense related to certain intangible assets is not  deductible for income tax purposes. ($000) Accounts receivable  $  352 Other current assets  54 Deferred tax asset—non-current  228 Intangible assets  8,588 Goodwill  5,727 Deferred revenue (237) Accounts payable and accrued liabilities (145) Other liabilities—non-current  (682) Total purchase price  $ 13,885 Weighted  Average Useful Life  ($000)  (years) Customer-related assets  $ 5,118  13 Technology-based assets   3,210  8 Intellectual property (trademarks and trade names)  260  10 Total intangible assets  $ 8,588  11 ($000) Investments  $ 2,233 Accounts receivable  1,551 Other current assets  391 Property and equipment  477 Other assets—non-current 4,473 Intangible assets   23,800 Goodwill   34,298 Deferred revenue (511) Accounts payable and accrued liabilities  (2,124) Other current liabilities  (411) Other liabilities—non-current   (1,078) Deferred tax liability—non-current   (8,837) Total purchase price  $ 54,262 Weighted  Average Useful Life  ($000)  (years) Customer-related assets  $ 13,800  15 Technology-based assets  9,000  10 Intellectual property (trademarks and trade names)  1,000  10 Total intangible assets  $ 23,800  13 120 The purchase price allocation includes $8,588,000 of acquired intan- gible assets, as follows: