Please explain your answer

In the below code, written in intel syntax, how many arguments does this subroutine have? push ebp mov ebp, esp sub esp, 8 mov DWORD PTR [ebp-4), ecx mov DWORD PTR [ebp-8], edx mov edx, DWORD PTR [ebp-4] mov eax, DWORD PTR [ebp-8] add edx, eax mov eax, DWORD PTR [ebp+8] add edx, eax mov eax, DWORD PTR [ebp+12] add edx, eax mov eax, DWORD PTR [ebp+16] add eax, edx leave ret 12