Which of the following would cause a favorable spending variance on a company's flexible budget performance report? Due to equipment issues, many units of the company's product had to be re-made to reach a sufficient level of quality before delivering to customers. The company was able to re-negotiate a lower price for one of its raw material inputs during the period. More than one of the choices would cause a favorable spending variance. Employees worked more hours to support higher-than-expected production and sales. None of the choices would cause a favorable spending variance. All employees were given an unanticipated raise in response to rising inflation. Employees worked fewer hours to support lower-than-expected production and sales