The required formula is:
[tex]A=Pe^{rt}[/tex]
where A is the amount after t years, e is the exponential number and r is the annual interest rate expressed as a decimal:
Plugging in the given values into the formula:
[tex]A=5000000\times e^{(0.04\times 30)}=16,600,584.61\ currency\ units[/tex]