Answer:
Profit for First half of the year is $450,000.
Step-by-step explanation:
Let the profit for second half of year be x
Now Given:
Profit in the first half of the year is $150,000 more than the second half of the year.
Profit in first half = 
Total profit for the year = $850,000
We know that Total profit for the year is sum of Profit in first half and Profit in second half

Profit for Second half of year = $300000
Profit for First half of the year = 
Hence Profit for First half of the year is $450,000.