An Investor Wants to Calculate the Continuously Compounded Return for Month

An investor wants to calculate the continuously compounded return for month t for a company.If the share price of the company was $4.50 at the start of month t and $7.25 at the end of month t,then the month t continuously compounded return is:

A) $30.50 \%$
B) $3365 \%$
C) $40.00\%$
D) \47.69 \%\)