Felix’s feed mill sells chicken feed for $8.00 per bag. this price is no longer high enough to create a profit. felix decides to raise the price. he is considering four different plans.

plan a: raise the price by $0.10 each week until the price reaches $12.00.

plan b: raise the price by 10 percent each week until the price reaches $12.00.

plan c: raise the price by the same amount each week for 8 weeks, so that in the eighth week the price is $12.00.

plan d: raise the price by $0.25 each week until the price reaches $12.00.

which plan will result in the price of the feed reaching $12.00 fastest?
a. plan a
b. plan b
c. plan c
d. plan d