on April 1, 2016. the happy city issued $ 300,000 of 10% bonds at 105. each 1000 bond was sold with 25 detachable stock warrants, each permitting the investor to purchase one share of common stock for $19. on that date the market value of each warrant was 4.

on March 1, 2017, when the happy city's common stock had a market price of $20 per share, 40% of the warrants were exercised.

the company's entry on march 1, 2017 will include a :

A debit cash 57000

B credit paid-in capital -warrants 12000

C credit paid-in capital in excess of par $57000

D debit cash 60000

why the answer is A could you explain to me with the procedure, please