Even I can't make this up!Quantitative Finance Level 1
You can choose between 2 payment plans:
1) 78 weekly worry-free payments of $29.99 each week, starting today.
2) A one-time payment of $829.00 due in 90 days.
Assuming that you want to buy this phone, what is the minimum (positive) daily interest rate that would make a person be indifferent between these payment plans?