Answer: Mental budget
Explanation: Mental budgeting is a very common idea in most individuals which usuly involves taking virtual account of spendings, projects and other financial projections in our thought or memory. Mental budget aids in making quick financial decisions, keeping track of how certain financial budget or expenditure would be realized. In the scenario above, Luke's anticipated dinner preparation with Jessie would require capital and as such he tries to make Financial projection of how to make it a reality by performing a sort of mental evaluation of to make it happen.