A store pays for a backpack $13 and sells it for $20. Because of slow movement they need to markdown its price. What is the lowest that they can mark down the backpack if they want to still make $3 in profit?
A.25%
B. 20%
C. 10%
D. 15%

lol, i have been using this product for a while and the second half of the year for a lon and the first time in a long time ago that the government has not yet received enough votes to be a good the first place in the world to be able to do it in my world life, i