Fix old products report

app/Models/Product/Host.php

@@ -47,11 +47,13 @@ final class Host extends Type implements ProductItem
 	public function allowance_string(): string
 	{
 		// TODO: Implement allowance_string() method.
+		return '';
 	}
 
 	public function getCostAttribute(): float
 	{
 		// TODO: Implement getCostAttribute() method.
+		return 0;
 	}
 
 	public function getSupplierAttribute()