Keysay Corp. often has its diverse groups of employees engaged in community service and they can usually be found having lunch together. Most employees socialize easily at the company's holiday office parties. However, most minority workers are in lower tier departments and often do not rise above very basic positions in the company. This describes what kind of integration?

Group of answer choices

Low informal, high structural

High informal, high structural

Low informal, low structural

High informal, low structural