Naomi plans to attend a four-year college that costs a total of $21,800 per year. Her family invests $9,500 in an account that earns 6% annual interest compounded monthly. Grant saved $1,325 to purchase a lawn tractor that costs $1,600. Last month the tractor was on sale for 20% off. Grant did not buy the tractor last month because he spent $360 to go bungee jumping. Decide if the decision is financially responsible.