Encourage deeper thinking about spending, pricing, and advertising tactics. π Topics Included: β’ Multi step shopping calculations multi step shopping β’ Cost based on partial use partial use cost β’ Difference between two prices as percent price percentage difference β’ Unit price with leftovers unit price with leftovers β’ Estimating percent error in pricing percentage error estimation β’ Spending as a percentage of budget percentage of budget β’ Buy now vs wait for better sale buy now vs wait β’ Bud