Mountain Cycles uses the FIFO inventory method to prepare a perpetual inventory record. Mountain started March with five bicycles that cost $$225$ each. On March $16,$ Mountain bought $20$ bicycles at $$230$ each. On March $30,$ Mountain sold $15$ bicycles. Use the above data to journalize:

a$.$ The March $16$ purchase of inventory on account.

b$.$ The March $30$ sale of inventory on account. Mountain sold each bicycle for $$300.$

c$.$ Cost of goods sold under FIFO.