Which option is more correct for MVC – Creating an entity in the controller or Creating an entity in the service

Option #1

Controller:

[HttpPost]
public IActionResult SuccessfullyCreatedPromocode(string promocodeName, decimal discount)
{
    Promocode promocode = new Promocode(promocodeName, discount);
    promocodeService.CreatePromocode(promocode);
    return View();
}

Service:

public void CreatePromocode(Promocode promocode)
{
    context.Promocode.Add(promocode);
    context.SaveChanges();
}

or Option #2

Controller:

[HttpPost]
public IActionResult SuccessfullyCreatedPromocode(string promocodeName, decimal discount)
{
    promocodeService.CreatePromocode(promocodeName, discount);
    return View();
}

Service:

public void CreatePromocode(string promocodeName, decimal discount)
{
    Promocode promocode = new Promocode(promocodeName, discount)
    context.Promocode.Add(promocode);
    context.SaveChanges();
}