How do I go about answering this portfolio?

What's My Total Bill? Portfolio

You have several purchases you need to make from the grocery store.

From the grocery store you need to purchase 1/2 lb cheese, 2 lbs sliced ham, 2 loaves of bread, 3 bags of potato chips, and 2 containers of salsa. You have a coupon for $3.00 off if your purchase totals more than $25.00 or 10% off if the total is more than $30.00. The food sales tax is 4%. What is your total purchase?

Item

Cost

Cheese $2.99/ lb

Sliced Ham $4.29/ lb

Bread $2.49/ loaf

Potato Chips $1.99/ ea OR 2 for $3.00

Salsa $3.39/ container

Be sure to include in your response:

The steps you followed to complete the computations.

The choice you made regarding which discount to use.

The total cost of the purchases.