notes to the audited consolidated financial statements 6 .
equity investments eastman has a 50 percent interest in and serves as the operating partner in primester , a joint venture which manufactures cellulose acetate at eastman's kingsport , tennessee plant .
this investment is accounted for under the equity method .
eastman's net investment in the joint venture at december 31 , 2007 and 2006 was approximately $ 43 million and $ 47 million , respectively , which was comprised of the recognized portion of the venture's accumulated deficits , long-term amounts owed to primester , and a line of credit from eastman to primester .
such amounts are included in other noncurrent assets .
eastman owns a 50 percent interest in nanjing yangzi eastman chemical ltd .
( 201cnanjing 201d ) , a company which manufactures eastotactm hydrocarbon tackifying resins for the adhesives market .
this joint venture is accounted for under the equity method and is included in other noncurrent assets .
at december 31 , 2007 and 2006 , the company 2019s investment in nanjing was approximately $ 7 million and $ 5 million , respectively .
in october 2007 , the company entered into an agreement with green rock energy , l.l.c .
( "green rock" ) , a company formed by the d .
e .
shaw group and goldman , sachs & co. , to jointly develop the industrial gasification facility in beaumont , texas through tx energy , llc ( "tx energy" ) .
eastman owns a 50 percent interest in tx energy , which is expected to be operational in 2011 and will produce intermediate chemicals , such as hydrogen , methanol , and ammonia from petroleum coke .
this joint venture in the development stage is accounted for under the equity method , and is included in other noncurrent assets .
at december 31 , 2007 , the company 2019s investment in tx energy was approximately $ 26 million .
eastman also plans to participate in a project sponsored by faustina hydrogen products , l.l.c .
which will use petroleum coke as the primary feedstock to make anhydrous ammonia and methanol .
faustina hydrogen products is primarily owned by green rock .
the company intends to take a 25 percent or greater equity position in the project , provide operations , maintenance , and other site management services , and purchase methanol under a long-term contract .
capital costs for the facility are estimated to be approximately $ 1.6 billion .
project financing is expected to be obtained by the end of 2008 .
the facility will be built in st .
james parish , louisiana and is expected to be complete by 2011 .
on april 21 , 2005 , the company completed the sale of its equity investment in genencor international , inc .
( "genencor" ) for cash proceeds of approximately $ 417 million , net of $ 2 million in fees .
the book value of the investment prior to sale was $ 246 million , and the company recorded a pre-tax gain on the sale of $ 171 million .
7 .
payables and other current liabilities december 31 , ( dollars in millions ) 2007 2006 .

(Dollars in millions)
December 31, 2007
2006
Trade creditors
$578
$581
Accrued payrolls, vacation, and variable-incentive compensation
138
126
Accrued taxes
36
59
Post-employment obligations
60
63
Interest payable
31
31
Bank overdrafts
6
11
Other
164
185
Total payables and other current liabilities
$1,013
$1,056

the current portion of post-employment obligations is an estimate of current year payments in excess of plan assets. .

Question: Analyse this data from a financial earnings document. what was the ratio of the investment prior to sale to the pre-tax gain on the sale
Choices:
1.4386
1.5
-1.4386
1.1754
353.8947
Correct choice index: 0