Help me choose the correct answer and fill in the blanks correctly

Answer:
a. $2, $1.5
b. $21
c. YES
Step-by-step explanation:
a. $2 per cupcake and $1.50 per cookie
b. 6 x $2 = $12
6 x $1.50 = $9
$12 + $9 = $21
c. 7 x $2 = $14
4 x $1.50 = $6
$14 + $6 = $20
hope this helps :)