my sql project objective is To leverage SQL$-$driven data analysis for maximize sales by analyzing sales data, optimizing products, and understanding customer behavior. Help me come up with a SQL query that will answer the question using the supermarket data i have "How does customer spending vary by time of day and day of the week?" Make sure you comment on all cells and explain what each cell is doing $($refer to the bottom Q$1$ template$)$ The folllowing columns include invoice id$,$ branch, city, customer type $($member or non$-$member$),$ gender, product line, unit price, quantity, tax $5\%,$ total, date, time, payment cogs, gross margin percentage, gross income, and rating.