synopsys , inc .
notes to consolidated financial statements 2014continued acquisition of magma design automation , inc .
( magma ) on february 22 , 2012 , the company acquired all outstanding shares of magma , a chip design software provider , at a per-share price of $ 7.35 .
additionally , the company assumed unvested restricted stock units ( rsus ) and stock options , collectively called 201cequity awards . 201d the aggregate purchase price was approximately $ 550.2 million .
this acquisition enables the company to more rapidly meet the needs of leading-edge semiconductor designers for more sophisticated design tools .
as of october 31 , 2012 , the total purchase consideration and the preliminary purchase price allocation were as follows: .

(in thousands)
Cash paid
$543,437
Fair value of assumed equity awards allocated to purchase consideration
6,797
Total purchase consideration
$550,234
Goodwill
316,263
Identifiable intangibles assets acquired
184,300
Cash and other assets acquired
116,265
Debt and liabilities assumed
(66,594)
Total purchase allocation
$550,234

goodwill of $ 316.3 million , which is not deductible for tax purposes , primarily resulted from the company 2019s expectation of sales growth and cost synergies from the integration of magma 2019s technology and operations with the company 2019s technology and operations .
identifiable intangible assets , consisting primarily of technology , customer relationships , backlog and trademarks , were valued using the income method , and are being amortized over three to ten years .
acquisition-related costs directly attributable to the business combination totaling $ 33.5 million for fiscal 2012 were expensed as incurred in the consolidated statements of operations and consist primarily of employee separation costs , contract terminations , professional services , and facilities closure costs .
fair value of equity awards assumed .
the company assumed unvested restricted stock units ( rsus ) and stock options with a fair value of $ 22.2 million .
the black-scholes option-pricing model was used to determine the fair value of these stock options , whereas the fair value of the rsus was based on the market price on the grant date of the instruments .
the black-scholes option-pricing model incorporates various subjective assumptions including expected volatility , expected term and risk-free interest rates .
the expected volatility was estimated by a combination of implied and historical stock price volatility of the options .
of the total fair value of the equity awards assumed , $ 6.8 million was allocated to the purchase consideration and $ 15.4 million was allocated to future services to be expensed over their remaining service periods on a straight-line basis .
supplemental pro forma information ( unaudited ) .
the financial information in the table below summarizes the combined results of operations of the company and magma , on a pro forma basis , as though the companies had been combined as of the beginning of fiscal 2011. .

Question: Analyse this data from a financial earnings document. what percentage of total purchase allocation was goodwill?
Choices:
1
0.00057
1.71602
945471.06129
0.57478
Correct choice index: 4