Question: How much money does Sophie lend the girls in season two of 2 Broke Girls?
About the article "2 Broke Girls", section "Series synopsis".

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The series chronicles the lives of two waitresses in their mid twenties—Max Black (Kat Dennings), who comes from a poor working-class family, and Caroline Channing (Beth Behrs), who was born rich but is now disgraced and penniless due to her father, Martin Channing, getting caught operating a Bernard Madoff-esque Ponzi scheme—working together at a Brooklyn restaurant.
The two become friends and build toward their dream of one day opening a cupcake shop.
Among those working with them at the restaurant are their Korean boss, Han Lee (Matthew Moy); Oleg (Jonathan Kite), an upbeat but perverted Ukrainian cook; and Earl (Garrett Morris), a 75-year-old black cashier.
Also featured starting late in the first season is their neighbor and part-time boss Sophie (Jennifer Coolidge), a Polish immigrant who runs the housecleaning company Sophie's Choice.
During most of the first season Max is also a part-time nanny for the twin babies of Peach Landis (Brooke Lyons), who during the season adopts Caroline's horse Chestnut.
At the end of each episode a tally shows how much they have made toward their goal of $25,000 needed to open their business (it was original stated in the pilot to be the more realistic amount of $250,000).
Early in the second season, Sophie lends the girls $20,000, which is enough for them to start their business.
However, the business fails, and in the 18th episode they are forced to give up the lease of their cupcake shop with just enough money to pay off Sophie's loan, resetting the end of episode tally to $1.00.
During the third season, the girls reopen the business in the back room of the diner, using the window as a walk up window.
Max also enrolls in, and Caroline goes to work for, the Manhattan School of Pastry.
On March 13, 2014, CBS renewed "2 Broke Girls" for a fourth season. 
  "2 Broke Girls: And the Very Christmas Thanksgiving" (2011)  "2 Broke Girls: And the High Holidays" (2012)  
2 Broke Girls is an American television sitcom created for Warner Bros. Television by Michael Patrick King and Whitney Cummings.
It premiered on CBS in the United States on September 19, 2011, during the 2011–12 television season.
On March 27, 2013, CBS announced that "2 Broke Girls" has been renewed for a third season, to air during the 2013–14 television season.
The series is set in the Williamsburg neighborhood of the New York City borough of Brooklyn, United States.
Its plot line follows the misadventures of the roommates Max Black (Kat Dennings) and Caroline Channing (Beth Behrs), who are both financially poor, and their efforts to start a cupcake business.
The first episode aired at 9:30 pm (E/P) after "Two and a Half Men" on September 19, 2011.
Later episodes followed "How I Met Your Mother" on Monday nights at 8:30 pm (E/P).
The series has received a generally positive response since its debut.
It was nominated for three 2012 Emmy Awards, winning for Art Direction.
On March 13, 2014, CBS renewed 2 Broke Girls for a fourth season. 
The series was poised to be one of the four breakout hits for the 2011-12 television season (along with CBS's "2 Broke Girls", "A Gifted Man", and "How to Be a Gentleman") according to advertisers who had seen the pilot.
Of the four shows, only "2 Broke Girls" was renewed for a second season.