Final answer:
The correct answer is 50,000; 30%.
Step-by-step explanation:
The correct answer is a) 50,000; 30%.
The question is about the number of non-indigenous workers employed by the gaming industry in 2010 and the percentage of indigenous workers in the workforce across all three sectors. According to the given options, the correct answer is option a) 50,000 non-indigenous workers and 30% indigenous workers.