Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to make grocery shopping efficient and cheap [title] Set your weekly budget. [step] Make sure it's affordable, but realistic. You can adjust this once you've had some experience or if your circumstances change.

Ending1: [title] Build a meal plan for the week. [step] This will help with the number of foods you can avoid and reduce the velocity of theft. Ending2: [title] List the days of the week and decide what your main meal is going to be each day. [step] Take into account any activities, late days etc. Ending3: [substeps] Most grocery stores allow for lower price buying, although some offer ten or fifteen dollars. Some grocery stores also offer discount prices on certain items. Ending4: For example, buying a dozen meals might be affordable for you and a budget would be $65 usd. Or, if your home situation is large or you are a caregiver, you might stick with a simplified budget.

Answer format: ending1/ending2/ending3/ending4