During February $2017,$ its first month of operations, the owner of Alona Enterprises invested cash of $$125,000.$ Alona had cash revenues of $$20,000$ and paid expenses of $$35,000.$ Assuming no other transactions impacted the cash account, what is the balance in Cash at February $28?$

A$.$ $$110,000$ debit

B$.$ $$145,000$ debit

C$.$ $$15,000$ credit

D$.$ $$90,000$ credit