Question: This grocery store in Flour Bluff, Corpus Christi, Texas donates what percentage of pre-tax profits to charity?

Context paragraphs:
Corpus Christi Harbor Bridge: The Corpus Christi Harbor Bridge is a through arch bridge located in Corpus Christi, Texas which carries six lanes of US 181 from downtown Corpus Christi to Rincon Point, known to locals as North Beach.  The harbor bridge crosses the Corpus Christi Ship Channel, which serves the Port of Corpus Christi, which is one of the US's busiest seaports and handles nearly 26,000 vehicles daily.  A new bridge is currently under construction, which would allow larger ships to pass beneath.  It is common for individuals to attempt suicide by jumping off the Harbor Bridge.

Flour Bluff High School: Flour Bluff High School is a public high school in Corpus Christi, Texas (USA).  It is part of the Flour Bluff Independent School District.

Texas A&amp;M–Corpus Christi Islanders baseball: The Texas A&M–Corpus Christi Islanders baseball team is a varsity intercollegiate athletic team of Texas A&M University–Corpus Christi in Corpus Christi, Texas, United States.  The team is a member of the Southland Conference, which is part of the National Collegiate Athletic Association's Division I.  The team plays its home games at on-campus Chapman Field in Corpus Christi, Texas.  Off-campus Whataburger Field is the home venue for some high-profile games and tournaments.  The Islanders are coached by Scott Malone.

H-E-B: HEB Grocery Company, LP, also known as HEB Grocery Stores, is an American privately held supermarket chain based in San Antonio, Texas, with more than 350 stores throughout the U.S. state of Texas, as well as in northeast Mexico.  The company also operates Central Market, an upscale organic and fine foods retailer.  As of 2013, the company has a total revenue surpassing $20 billion USD (2013).  H-E-B ranked No. 15 on Forbes' 2014 list of "America's Largest Private Companies."  H-E-B was named Retailer of the Year in 2010 by "Progressive Grocer".  "Supermarket News" ranked H-E-B No. 13 in the 2008 "Top 75 North American Food Retailers."  Based on 2014 revenues, H-E-B is the twentieth largest retailer in the United States.  It donates 5 percent of pre-tax profits to charity.  Until 1976, it was closed on Sundays and did not sell alcohol.

Oso Bay: Oso Bay is a bay bordered by Corpus Christi, Texas.  The bay is fed freshwater by Oso Creek and saltwater from Corpus Christi Bay.  The Hans and Pat Suter Wildlife Refuge is located on the bay's western shore near the Pharaoh Valley subdivision, Naval Air Station Corpus Christi is located on its eastern shore in Flour Bluff, newly created Skimmer Key is located between the Oso Bay Bridge and the Naval Air Station, and Texas A&M University - Corpus Christi on Ward Island is located on the northern shore of Oso Bay.

Coast Guard Air Station Corpus Christi: Coast Guard Air Station Corpus Christi is an Air Station of the United States Coast Guard located in Corpus Christi, Texas.  The Station is co-located with Sector Corpus Christi offices at Naval Air Station Corpus Christi.  The Coast Guard Air Detachment was established on 20 November 1950, and served the entire western Gulf of Mexico with one PBY-5 Catalina fixed wing aircraft, and four pilots.  In 1965, the detachment was formally designated USCG Air Station Corpus Christi.  Early aircraft consisted of HU-16E Albatross, HH-52A Seaguard helicopter, HC-131 Samaritan, and HU-25A fanjet's.  Following extensive personnel and equipment changes in the operations department, the air station became fully operational on October 15, 1980, and operated as one of thirteen Coast Guard Group units between Port O'Connor, Texas and the Mexican border.  The Station, maintained a 24-hour Search and rescue capability, with the use of three HH-52A helicopters and three HU-25A fanjet's.  The Unit averaged over 400 rescues a year, which included searches for overdue vessels, assisting sinking or disabled boats, and medical evacuations from offshore oil rigs.  In the spring of 1986 the station's HH-52s were replaced with the Aérospatiale HH-65 Dolphin helicopter.  In May 2005 the Coast Guard commissioned Air station Corpus Christi to combine all the units within the area of Port Lavaca to Brownsville under one unified command.

Flour Bluff, Corpus Christi, Texas: Flour Bluff is a specified area of the city of Corpus Christi, Texas.  It is located on Encinal peninsula bordered by Corpus Christi Bay on the north, Oso Bay on the west, the Laguna Madre on the east and the King Ranch to the south.  South Padre Island Drive crosses Flour Bluff, dividing it into an upper part, commonly known as North Bluff, (mostly occupied by Corpus Christi Naval Air Station), and a lower part, commonly known as South Bluff.  The area is mostly made up of suburban development, with a population consisting mostly of lower-middle income families, with local and national businesses such as Walmart, H-E-B grocery stores, etc.

Port of Corpus Christi: Port of Corpus Christi is the fourth-largest port in the United States in total tonnage.  <ref name= http://www.caller.com/story/news/special-reports/building-our-future/growth/2017/05/26/massive-tankers-arrival-south-texas-makes-history/102010600/.  Port Corpus Christi is located on Corpus Christi Bay in the western Gulf of Mexico, with a straight 45 ft channel.  The port is located close to downtown Corpus Christi in Nueces County, Texas, but the port is not part of the city or the county.  Port Corpus Christi operates without receiving any city, county, or state tax dollars.  It is governed by an unpaid board of seven citizens, three of whom are appointed by the Nueces County Commissioners Court, one by the San Patricio County Commissioners Court, and three by the Corpus Christi City Council.  Port Corpus Christi handles over 6,000 vessels and over 80,000,000 tons of cargo annually.  Environmental initiatives are handled through the port's Environmental Management System (EMS).  To fight crime and terrorism, public safety at Port Corpus Christi is handled by the Port Corpus Christi Police Department and its state-of-the-art security center.

American Bank Center: The American Bank Center is an entertainment complex located in Corpus Christi, Texas.  The complex consists of an auditorium, convention center and arena.  The facility hosts numerous conventions, trade shows, exhibitions, live performances and sporting events.  It is home to the Corpus Christi IceRays Tier II Jr.  A ice hockey team and the Texas A&M–Corpus Christi Islanders men's and women's NCAA basketball teams.  It is owned by the city of Corpus Christi and managed by SMG.

Corpus Christi Ship Channel: The Corpus Christi Ship Channel is a deep water navigable ship canal located in Corpus Christi, Texas.  It is part of the Port of Corpus Christi, managed and controlled by the Corpus Christi Port Authority.  The depth of the channel is 45 feet (13.7 meters).  It is used mostly for heavy industry and the export and import of goods.

Supporting paragraphs: Flour Bluff, Corpus Christi, Texas H-E-B
Answer: 5 percent