Answer:
$120,000
Step-by-step explanation:
Data provided in the question
Average price of a slave = 800 British pounds
Average annual pay = 200 British pounds
Average pay in today California = $30,000
So, by considering the above information , the average slave cost today is
= Average pay in today California × (Average price of a slave ÷ Average annual pay)
= $30,000 × (800 British pounds ÷ 200 British pounds)
= $120,000
Basically we applied the unitary method for this question