Janice needs to purchase a new uniform for a job she just accepted. the store indicates that she may have a 30% discount, but that she will need to pay the 8% sales tax on the uniform. if the uniform lists at retail cost of (c), which of the following choices would janice use to correctly calculate her total cost (t) of the uniform?

a. (t) = (c) – 0.3c + 0.08c
b. (t) = 0.7c + 0.08(0.7c)
c. (t) = 0.7 (0.3c + 0.08c)
d. (t) = 0.7 (c – 0.08c)