Dorothy lacks cash to pay for a $480.00 dishwasher. She could buy it from the store on credit by making 12 monthly payments of $40.50 The total cost would then be $486.00. Instead, Dorothy decides to deposit $4000 a month in the bank until she has savec enough money to pay cash for the dishwasher. One year later, she has saved $513.60$480.00 in deposits plus interest When she goes back to the store, she finds the dishwasher now costs $514.08. Its price has gone up 7.10 percent. Was postponing her purchase a good trade-off for Dorothy