Velocity Bikes uses the perpetual moving average Inventory method to account for inventory costs. On March 1, the company's records showed Beginning Inventory of 50 bikes on hand with a total cost of $12,000. On March 5, 30 additional bikes were purchased at $150 each. The average cost per unit after the March 5 purchase is 

a. $150 

b. $2,400 

c. $206.25 

d $240.