please solve this quickly

Given the following data, calculate the cost of goods sold using the FIFO costing method: Jan Beginning inventory 110 units at $30 per unit; Feb 25 Purchased 100 units at $32 per unit; June 15 Purchased 80 units at $33 per unit; Sept 20 Purchased 75 units at $31 per unit; Dec 31 Ending inventory 125 units. It might help to make a table. Select one: a. $11,465 b. $4,965 c. $7,490 d. $3,975