Which shows a correct order to solve this story problem? 
 At the café, Karen bought 4 drinks for $1.99 each and 4 muffins for $1.20 each. She left an 18% tip for the server. 
 How much did Karen spend?
 A.
 Step 1: Calculate the total price of the 4 drinks. 
 Step 2: Add $1.20 to that total. 
 Step 3: Calculate the tip. 
 Step 4: Add the tip to the total of the purchases.
 B.
 Step 1: Calculate the total price of the 4 drinks. 
 Step 2: Calculate the total price of the 4 muffins. 
 Step 3: Add the 2 amounts together. 
 Step 4: Calculate the tip. 
 Step 5: Add the tip to the total of the purchases.
 C.
 Step 1: Calculate the tip. 
 Step 2: Add $1.99 and $1.20 
 Step 3: Multiply that number by 4. 
 Step 4: Add the tip to the total of the purchases.
 D.
 Step 1: Calculate the tip. 
 Step 2: Add $1.20 to that total. 
 Step 3: Calculate the total price of the 4 drinks. 
 Step 4: Add the tip to the total of the purchases.