Which answer describes the simpler problems that could be used to solve this story problem?

jason bought a bagel and a cup of coffee each saturday. each bagel costs $2 and each cup of coffee costs $1. how much money had jason spent in 8 weeks?

a.
calculate the amount spent on a bagel and coffee together. multiply this amount by 8.

b.
calculate the difference in price between the bagel and the coffee. subtract this amount from 8.

c.
calculate how much jason spent on bagels in 8 weeks. calculate how much jason spent on coffee in 8 weeks. subtract the two amounts.

d.
calculate the amount spent on a bagel and coffee together. add 8 to this amount.