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中二數學...(easy)

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Gary's income in 2003/2004 was $140000. His net chargeable income in this year is $40000. His income in 2004/05 increased by 4%. Find the percentage increase in salaries tax.(Give the answer correct to 1 decimal place.) the answer is $102.5% (i want the式)

最佳解答:

we know that his allowance is 140000-40000=100000 and his income in 04/05 is 145600. His salaries tax in 03/04= 1st 32500*2%=650 remainder=40000-32500=7500*7.5%=562.5 His upper limit is 140000*15.5%=21700 His salaries tax in 03/04=562.5+650=1212.5 His income in 04/05 is 140000*(1+4%)145600 and his net chargeable income is 145600-100000=45600 His salaries tax in 04/05= 1st 30000*2%=600 remainder=45600-30000=15600*8%=1248 His upper limit is 145600*16%=26208 His salaries tax in 04/05=1248+600=1848 Percentage increase: (1848-1212.5)/1212.5*100%=52.4% I don't know why the answers are different. Maybe the rules of counting taxes in your book is different then mine. My step is correct. Try to use your rules in your book to caculate it.

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