Saying "I do" may be Kim Kardashian's most profitable business decision yet. As the hangover sets in from the frenzy surrounding the reality star's extravagant wedding Sunday to basketball journeyman Kris Humphries, the staggering financial details of the over-the-top nuptials are coming to light. More eye-popping than the wedding's reported $10 million price tag? The $18 million the newlyweds stand to collect from the whole affair. Here's how it all breaks down:

Cost of one of the Vera Wang gowns that Kardashian wore during the ceremony and reception

Number of different Vera Wang gowns Kardashian wore, worth a total of $60,000. Kardashian received the dresses for free.

Cost of the Perrier-Jouët champagne that was served at the wedding, provided for free

Cost of the invitations by custom designers Lehr & Black (also comped)

Cost of the food for the reception, including caviar, kobe beef burgers, truffles, and cupcakes

$3 million
Value of Kardashian's "wedding bling," including $1 million nuptial bands and Kim's $2 million engagement ring — all "deeply discounted" by designer Lorraine Schwartz, says Cynthia R. Fagen at The New York Post

$2 million
Cost the of floral arrangements, according to Julia Rubin at Styleite

Cost of hair and makeup

$15,000 to $20,000
Estimated cost of the couple's 10-tier wedding cake from Hansen's Bakery

Cost of the rumored facelift Kardashian's mom, Kris Jenner, received just before the ceremony, according to Britain's Daily Mail

$20 million
Value of the Montecito, Calif., estate where the wedding took place

Number of guests who attended the wedding, including Ryan Seacrest, Lindsay Lohan, and Eva Longoria

$17.9 million
Amount the newlyweds are expected to earn "by turning the ceremony into a media extravaganza," says Fagen

$2.5 million
Amount earned by the couple for selling photo rights to the wedding to People magazine

$12 million to $15 million
Amount the Kardashian family franchise is expected to earn for the TV rights to the wedding. The two-part "TV spectacular" Kim's Fairytale Wedding: A Kardashian Event will air on E! in October.

Number of hours the E! wedding special will last

Amount the Kardashians received from People for the exclusive report on the engagement announcement

Amount the Kardashians received from Britain's OK! magazine for exclusive rights to coverage of the bridal shower

Amount Kardashian was paid by the Tao night club in Las Vegas to host her bachelorette party there

Cost per night of the hotel room at the Palazzo hotel that Kardashian stayed in during her bachelorette party in Vegas

Minutes (fashionably) late the ceremony started, according to Miranda Furtado at The Vancouver Sun

Minutes the ceremony lasted

Sources: Daily Mail, NY Post, Styleite, Vancouver Sun