Hannah Corporation acquired two inventory items at a lumpsum cost of $125000. The acquisition included 3150 units of product L1, and 6300 units of product M1. L1 normally sells for $30 per unit, and M1 for $10 per unit. If Hannah sells 1050 units of L1, what amount of gross profit should it recognize?

a. $6500.

b. $3611.

c. $31500

d. $2167.

Thank you in advance for your help! :)