human
of sales, competitive supply gross margin declined in south america, europe/africa and the caribbean and remained relatively flat in north america and asia. large utilities gross margin increased $201 million, or 37% (37%), to $739 million in 2001 from $538 million in 2000. excluding businesses acquired or that commenced commercial operations during 2001 and 2000, large utilities gross margin increased 10% (10%) to $396 million in 2001. large utilities gross margin as a percentage of revenues increased to 30% (30%) in 2001 from 25% (25%) in 2000. in the caribbean (which includes venezuela), large utility gross margin increased $166 million and was due to a full year of contribution from edc which was acquired in june 2000. also, in north america, the gross margin contributions from both ipalco and cilcorp increased. growth distribution gross margin increased $165 million, or 126% (126%) to $296 million in 2001 from $131 million in 2000. excluding businesses acquired during 2001 and 2000, growth distribution gross margin increased 93% (93%) to $268 million in 2001. growth distribution gross margin as a percentage of revenue increased to 18% (18%) in 2001 from 10% (10%) in 2000. growth distribution business gross margin, as well as gross margin as a percentage of sales, increased in south america and the caribbean, but decreased in europe/africa and asia. in south america, growth distribution margin increased $157 million and was 38% (38%) of revenues. the increase is due primarily to sul 2019s sales of excess energy into the southeast market where rationing was taking place. in the caribbean, growth distribution margin increased $39 million and was 5% (5%) of revenues. the increase is due mainly to lower losses at ede este and an increase in contribution from caess. in europe/africa, growth distribution margin decreased $10 million and was negative due to losses at sonel. in asia, growth distribution margin decreased $18 million and was negative due primarily to an increase in losses at telasi. the breakdown of aes 2019s gross margin for the years ended december 31, 2001 and 2000, based on the geographic region in which they were earned, is set forth below. .
|  | 2001 | % of Revenue | 2000 | % of Revenue | % change |
| --------- | --------- | --------- | --------- | --------- | --------- |
| North America | $912 million | 25% | $844 million | 25% | 8% |
| South America | $522 million | 30% | $416 million | 36% | 25% |
| Caribbean* | $457 million | 25% | $226 million | 21% | 102% |
| Europe/Africa | $310 million | 22% | $371 million | 29% | (16%) |
| Asia | $101 million | 15% | $138 million | 22% | (27%) |
* includes venezuela and colombia. selling, general and administrative expenses selling, general and administrative expenses increased $38 million, or 46% (46%), to $120 million in 2001 from $82 million in 2000. selling, general and administrative expenses as a percentage of revenues remained constant at 1% (1%) in 2001 and 2000. the overall increase in selling, general and administrative expenses is due to increased development activities. interest expense, net net interest expense increased $327 million, or 29% (29%), to $1.5 billion in 2001 from $1.1 billion in 2000. net interest expense as a percentage of revenues increased to 16% (16%) in 2001 from 15% (15%) in 2000. net interest expense increased overall primarily due to interest expense at new businesses, additional corporate interest expense arising from senior debt issued during 2001 to finance new investments and mark-to-market losses on interest rate related derivative instruments. .
Please answer the following questions with expressions if necessary.
what is the gross profit for north america in 2001?
assistant
912
human
what is is the gross margin?
assistant
25%
human
what total revenue does this represent for north america?
assistant
divide(912, 25%)
human
what about the total revenue for south america?
assistant
divide(522, 30%)