
Answer:
B) $125,000
Explanation:
Price discrimination strategy refers to charging each customer the maximum amount of money he/she is willing to pay for a product.
In this case, the concert promoters should charge $150 per ticket to 1,000 die hard fans  = $150,000 in revenue.
Then it should charge only $50 per ticket to 500 casual fans = $25,000 in revenue.
Total revenue       = $150,000 + $25,000 = $175,000
minus total costs     = ($50,000)  Â
Net income         = $125,000