Use the Advertisement Below to Answer the Question

Use the advertisement below to answer the question.
Happy Days Amusement Park
Happy Days Amusement Park, located in Green Valley between the St. John River and the towering Red Rock Mountain is the finest amusement park in the great Southwest-bar none! Bring your family and let your spirits soar!
Rides & Games: The park features thirty rides including roller coasters (the Titan Terror, Scream While You Can) , two water rides (Perilous Plume, Dixie River) and fifteen Kiddie-ville rides. Also, there are twenty-five games, three video arcades, and four souvenir shops located throughout the park.
Food: Mountainside terrace is our newly remodeled cafeteria serving delicious dishes from around the world. Alcoholic beverages are not permitted in the park. In addition, there are five snack stops located in the park. Here you can find whatever snack foods your heart desires-popcorn, fried treats, and snow cones, just to name a few!
Advanced reservations: Avoid the lines and make your reservations online. All tickets are available. An all-day pass for children 12 and under is $50. Take advantage of our special BOGO deal. From now through September 30th, buy one regular adult admission ticket for $100.00 and get another for free! (Available only online.)
Parking: Parking is free! But if you'd prefer the choicest of spots, Preferred Parking is available for $5.00 per vehicle. Enter through the south gate opposite the ticket office.
Located off of I-25 just off of the first Clarksville exit.
Local calls for general information: 1-875-555-9898
According to the advertisement, how much would two adults have to pay for admission if they took advantage of the BOGO deal?

A) $150
B) $50
C) $200
D) $100