Answer: Her standard of living has declined, but the quality of life has increased.
Explanation:
Standard of living is the measure of wealth and resources available to a certain economic class or region while quality of life is more involved with the general well being of individuals in an economy, covering area such as: health, security, life expectancy, level of employment.
From the question we can deduce that, Jane's quality of life has increased while her standard of living/ measure of wealth has reduced.