//get monthly donations fees
public int GetTotalMonthDonations()
{
if (m_Donations == null)
{
return(0);
}
if (m_Popularity == null)
{
return(0);
}
return(m_Donations.GetMonthlyDonation(m_CurrentTreeNumber, m_CurrentPlantNumber, m_Popularity.m_CurrentPopularity));
}