// register a proposal from a vendor within this instance
public void RegisterProposal(Vendor vendor, double value)
{
VendorProposals.Add(
vendor.Id,
new VendorProposal
{
Vendor = vendor,
Value = value,
Date = DateTime.Now
});
}
public VendorProposal(Vendor vendor)
{
this.Vendor = vendor;
this.Value = 0;
}
