public Task <List <Charity> > GetCharities(string country)
 {
     return(Task.FromResult(Impact.GetCharitiesInCountry(country)));
 }
 public Task <List <DonationImpact> > GetDonationImpact(string country, string charity, decimal amount)
 {
     return(Task.FromResult(Impact.GetDonationImpact(country, charity, (double)amount)));
 }