Table 4-5 -Refer to Table 4-5. the Equations Above Describe the Demand

Table 4-5

-Refer to Table 4-5. The equations above describe the demand and supply for Aunt Maud's Premium Hand Lotion. The equilibrium price and quantity for Aunt Maud's lotion are $20 and 30 thousand units. What is the value of producer surplus?

A) $600 thousand
B) $300 thousand
C) $150 thousand
D) $30 thousand