hologic , inc .notes to consolidated financial statements ( continued ) ( in thousands , except per share data ) acquisition of r2 technology , inc .on july 13 , 2006 , the company completed the acquisition of r2 technology , inc .( 201cr2 201d ) pursuant to an agreement and plan of merger dated april 24 , 2006 .the results of operations for r2 have been included in the company 2019s consolidated financial statements from the date of acquisition as part of its mammography/breast care business segment .r2 , previously located in santa clara , california , develops and sells computer-aided detection technology and products ( 201ccad 201d ) , an innovative technology that assists radiologists in the early detection of breast cancer .the aggregate purchase price for r2 of approximately $ 220600 consisted of approximately 8800 shares of hologic common stock valued at $ 205500 , cash paid of $ 6900 , debt assumed of $ 5700 and approximately $ 2500 for acquisition related fees and expenses .the company determined the fair value of the shares issued in connection with the acquisition in accordance with eitf issue no .99-12 , determination of the measurement date for the market price of acquirer securities issued in a purchase business combination .the components and allocation of the purchase price , consists of the following approximate amounts: .
[['net tangible assets acquired as of july 13 2006', '$ 1200'], ['in-process research and development', '10200'], ['developed technology and know-how', '39500'], ['customer relationship', '15700'], ['trade name', '3300'], ['order backlog', '800'], ['deferred income taxes', '6700'], ['goodwill', '143200'], ['final purchase price', '$ 220600']]
the company finalized and completed a plan to restructure certain of r2 2019s historical activities .as of the acquisition date the company recorded a liability of approximately $ 798 in accordance with eitf issue no .95-3 , recognition of liabilities in connection with a purchase business combination , related to the termination of certain employees and loss related to the abandonment of certain lease space under this plan .all amounts under this plan have been paid as of september 29 , 2007 .the company reduced goodwill related to the r2 acquisition in the amount of approximately $ 2300 and $ 400 during the years ended september 27 , 2008 and september 29 , 2007 , respectively .the reduction in 2007 was primarily related to a change in the preliminary valuation of certain assets and liabilities acquired based on information received during the year .the decrease in goodwill in 2008 was related to the reduction of an income tax liability .the final purchase price allocations were completed and the adjustments did not have a material impact on the company 2019s financial position or results of operation .as part of the purchase price allocation , all intangible assets that were a part of the acquisition were identified and valued .it was determined that only customer relationship , trade name , developed technology and know how and in-process research and development had separately identifiable values .customer relationship represents r2 2019s strong active customer base , dominant market position and strong partnership with several large companies .trade name represents the r2 product names that the company intends to continue to use .order backlog consists of customer orders for which revenue has not yet been recognized .developed technology and know how represents currently marketable purchased products that the company continues to resell as well as utilize to enhance and incorporate into the company 2019s existing products .the estimated $ 10200 of purchase price allocated to in-process research and development projects primarily related to r2 2019s digital cad products .the projects added direct digital algorithm capabilities as well as .

Question: what potion of the r2 acquisition is paid in cash?
Answer: 3.1%