management 2019s discussion and analysis interest expense was $ 17 million less in 2004 than in 2003 reflecting the year over year reduction in debt of $ 316 million . other charges declined $ 30 million in 2004 due to a combination of lower environmental remediation , legal and workers compensation expenses and the absence of certain 2003 charges . other earnings were $ 28 million higher in 2004 due primarily to higher earnings from our equity affiliates . the effective tax rate for 2004 was 30.29% ( 30.29 % ) compared to 34.76% ( 34.76 % ) for the full year 2003 . the reduction in the rate for 2004 reflects the benefit of the subsidy offered pursuant to the medicare act not being subject to tax , the continued improvement in the geographical mix of non- u.s . earnings and the favorable resolution during 2004 of matters related to two open u.s . federal income tax years . net income in 2004 totaled $ 683 million , an increase of $ 189 million over 2003 , and earnings per share 2013 diluted increased $ 1.06 to $ 3.95 per share . results of business segments net sales operating income ( millions ) 2004 2003 2004 2003 ( 1 ) coatings $ 5275 $ 4835 $ 777 $ 719 .

net sales 2004 (1): coatings: 5275
glass: 2204
chemicals: 2034
net sales 2003: coatings: 4835
glass: 2150
chemicals: 1771
net sales 2004 (2): coatings: 777
glass: 169
chemicals: 291
2003 ( 1 ): coatings: 719
glass: 71
chemicals: 228

chemicals 2034 1771 291 228 ( 1 ) operating income by segment for 2003 has been revised to reflect a change in the allocation method for certain pension and other postretirement benefit costs in 2004 ( see note 22 , 201cbusiness segment information 201d , under item 8 of this form 10-k ) . coatings sales increased $ 440 million or 9% ( 9 % ) in 2004 . sales increased 6% ( 6 % ) from improved volumes across all our coatings businesses and 4% ( 4 % ) due to the positive effects of foreign currency translation , primarily from our european operations . sales declined 1% ( 1 % ) due to lower selling prices , principally in our automotive business . operating income increased $ 58 million in 2004 . factors increasing operating income were the higher sales volume ( $ 135 million ) and the favorable effects of currency translation described above and improved manufacturing efficiencies of $ 20 million . factors decreasing operating income were inflationary cost increases of $ 82 million and lower selling prices . glass sales increased $ 54 million or 3% ( 3 % ) in 2004 . sales increased 6% ( 6 % ) from improved volumes primarily from our performance glazings ( flat glass ) , fiber glass , and automotive original equipment businesses net of lower volumes in our automotive replacement glass business . sales also increased 2% ( 2 % ) due to the positive effects of foreign currency translation , primarily from our european fiber glass operations . sales declined 5% ( 5 % ) due to lower selling prices across all our glass businesses . operating income in 2004 increased $ 98 million . factors increasing operating income were improved manufacturing efficiencies of $ 110 million , higher sales volume ( $ 53 million ) described above , higher equity earnings and the gains on the sale/leaseback of precious metals of $ 19 million . the principal factor decreasing operating income was lower selling prices . fiber glass volumes were up 15% ( 15 % ) for the year , although pricing declined . with the shift of electronic printed wiring board production to asia and the volume and pricing gains there , equity earnings from our joint venture serving that region grew in 2004 . these factors combined with focused cost reductions and manufacturing efficiencies to improve the operating performance of this business , as we continue to position it for future growth in profitability . chemicals sales increased $ 263 million or 15% ( 15 % ) in 2004 . sales increased 10% ( 10 % ) from improved volumes in our commodity and specialty businesses and 4% ( 4 % ) due to higher selling prices for our commodity products . sales also increased 1% ( 1 % ) due to the positive effects of foreign currency translation , primarily from our european operations . operating income increased $ 63 million in 2004 . factors increasing operating income were the higher selling prices for our commodity products and the higher sales volume ( $ 73 million ) described above , improved manufacturing efficiencies of $ 25 million and lower environmental expenses . factors decreasing 2004 operating income were inflationary cost increases of $ 40 million and higher energy costs of $ 79 million . other significant factors the company 2019s pension and other postretirement benefit costs for 2004 were $ 45 million lower than in 2003 . this decrease reflects the market driven growth in pension plan assets that occurred in 2003 , the impact of the $ 140 million in cash contributed to the pension plans by the company in 2004 and the benefit of the subsidy offered pursuant to the medicare act , as discussed in note 12 , 201cpension and other postretirement benefits , 201d under item 8 of this form 10-k . commitments and contingent liabilities , including environmental matters ppg is involved in a number of lawsuits and claims , both actual and potential , including some that it has asserted against others , in which substantial monetary damages are sought . see item 3 , 201clegal proceedings 201d of this form 10-k and note 13 , 201ccommitments and contingent liabilities , 201d under item 8 of this form 10-k for a description of certain of these lawsuits , including a description of the proposed ppg settlement arrangement for asbestos claims announced on may 14 , 2002 . as discussed in item 3 and note 13 , although the result of any future litigation of such lawsuits and claims is inherently unpredictable , management believes that , in the aggregate , the outcome of all lawsuits and claims involving ppg , including asbestos-related claims in the event the ppg settlement arrangement described in note 13 does not become effective , will not have a material effect on ppg 2019s consolidated financial position or liquidity ; however , any such outcome may be material to the results of operations of any particular period in which costs , if any , are recognized . the company has been named as a defendant , along with various other co-defendants , in a number of antitrust lawsuits filed in federal and state courts . these suits allege that ppg acted with competitors to fix prices and allocate markets in the flat glass and automotive refinish industries . 22 2005 ppg annual report and form 10-k .

Questions:
what is the difference between the number 1 that represents 100% and the sales increase?
what is the glass net sales of 2003?
what is the product between that difference and that glass net sales of 2003?

Answers:
98%
2150
2107