f. How many users are using Instacart for the first time? (2 points) Generate the answer with a query and save the query as IsNullpriororder (5 points). g. How many users are the returning users of Instacart? (2 points) Generate the answer v a query and save the query as IsNotNullpriororder (5 points). h. Calculate and report the percentage of ordered items being reordered (3 points). Save query as reordered (2 points). i. What is the user_id of the user who has made 100 orders on Instacart? (4 points) Generate the answer with a query and save the query as Crosstaborder1 (5 points). j. Create the E-R diagram using the 4 tables. Attach the screenshot of the E-R diagram points) and explain the relationships across the tables. If correctly generated, there sho be 3 relationships. Refer to Access In-Class Exercise I.doc to correctly explain the relationships between key variables across the tables. (5 points each) i.e. - note from Access In-Class Exercise) Each trip takes only one helicopter, but a helicopter may be used for multiple trips different dates/times) or may have not been used for any trip yet. Each particular trip only one pilot assigned to it, but a pilot may be assigned to different trips (on differ dates/times) or may have not been assigned to any trip yet. Each trip belongs to particular tour type, but a specific tour type may be chosen for different trips or have not been chosen by any trip. k. Combine the tables together and create a single table with all variables of the four (with no duplicate variables). Click on the "Make Table" icon from the "Design" m to save the complete table as wholetable (5 points). 1. Use wholetable to discover and report which aisle has the most reorder incidents (5