k youP parents to co-sign a loan at your local credit union) 20. Using the sinking fund approach, how much do you have to save to buy a $s,000 car one year from now? O $275 a month into savings O $300 a month into savings O $400 a month into savings O $416.66 a month into savings) 21. Which statement is true? People spend more money when they pay with cash When you pay with cash, you have a higher chance of negotiating a better deal When you pay with cash, it is hard to negotiate a deal because you did not use their credit Using a credit card is wiser than carrying cash around