You$$ve borrowed $$20,000$ on margin to buy shares in Ixnay, which is now selling at $$40$ per share. Your account starts at the initial margin requirement of $50\%.$ The maintenance margin is $35\%.$ Two days later, the stock price falls to $$35$ per share.

a$.$ Will you receive a margin call?

b$.$ How low can the price of Ixnay shares fall before you receive a margin call? $($Round your answer to $2$ decimal places.$)$