Helen's income has remained stable over the past few years even though the prices of things have gone up. Nevertheless, Helen feels better off because the weather is nice, the crime rate is low, she has spent more time with family and friends, and the quality of medical care has improved. If Helen's experience is typical, we can assume that the standard of living has Group of answer choices increased, but the quality of life has decreased. declined, but the quality of life has increased. increased, and so has the quality of life. declined, and so has the quality of life