diff --git a/02_activities/assignments/Microcredential_Cohort/Customer_CustomerPurchaseER.png b/02_activities/assignments/Microcredential_Cohort/Customer_CustomerPurchaseER.png
new file mode 100644
index 000000000..72b12b385
Binary files /dev/null and b/02_activities/assignments/Microcredential_Cohort/Customer_CustomerPurchaseER.png differ
diff --git a/02_activities/assignments/Microcredential_Cohort/assignment1.sql b/02_activities/assignments/Microcredential_Cohort/assignment1.sql
index 2ec561e2a..6f5494733 100644
--- a/02_activities/assignments/Microcredential_Cohort/assignment1.sql
+++ b/02_activities/assignments/Microcredential_Cohort/assignment1.sql
@@ -7,7 +7,7 @@
 /* 1. Write a query that returns everything in the customer table. */
 --QUERY 1
 
-
+SELECT * FROM customer;
 
 
 --END QUERY
@@ -17,8 +17,7 @@
 sorted by customer_last_name, then customer_first_ name. */
 --QUERY 2
 
-
-
+SELECT * FROM customer ORDER BY customer_last_name, customer_first_name LIMIT 10;
 
 --END QUERY
 
@@ -28,6 +27,7 @@ sorted by customer_last_name, then customer_first_ name. */
 Limit to 25 rows of output. */
 --QUERY 3
 
+SELECT * FROM customer_purchases WHERE product_id IN (4,9) LIMIT 25;
 
 
 
@@ -43,7 +43,8 @@ Limit to 25 rows of output.
 */
 --QUERY 4
 
-
+SELECT *, (quantity*cost_to_customer_per_qty) AS price FROM customer_purchases
+WHERE customer_id BETWEEN 8 and 10 LIMIT 25;
 
 
 --END QUERY
@@ -56,7 +57,11 @@ columns and add a column called prod_qty_type_condensed that displays the word 
 if the product_qty_type is “unit,” and otherwise displays the word “bulk.” */
 --QUERY 5
 
-
+SELECT product_id, product_name, 
+		CASE WHEN product_qty_type == 'unit' THEN 'unit'
+			 ELSE 'bulk'
+		END AS prod_qty_type_condensed
+FROM product;
 
 
 --END QUERY
@@ -67,7 +72,14 @@ add a column to the previous query called pepper_flag that outputs a 1 if the pr
 contains the word “pepper” (regardless of capitalization), and otherwise outputs 0. */
 --QUERY 6
 
-
+SELECT product_id, product_name, 
+		CASE WHEN product_qty_type == 'unit' THEN 'unit'
+			 ELSE 'bulk'
+		END AS prod_qty_type_condensed,
+		CASE WHEN product_name like '%pepper%' THEN 1
+			ELSE 0 
+		END AS 	pepper_flag
+FROM product;
 
 
 --END QUERY
@@ -79,6 +91,10 @@ vendor_id field they both have in common, and sorts the result by market_date, t
 Limit to 24 rows of output. */
 --QUERY 7
 
+SELECT * FROM
+vendor ven INNER JOIN vendor_booth_assignments venba 
+ON ven.vendor_id = venba.vendor_id
+ORDER BY market_date, vendor_name LIMIT 24;
 
 
 
@@ -93,7 +109,10 @@ Limit to 24 rows of output. */
 at the farmer’s market by counting the vendor booth assignments per vendor_id. */
 --QUERY 8
 
-
+SELECT ven.vendor_name, count(venba.vendor_id) AS 'No of Times Booth rented' FROM
+vendor ven INNER JOIN vendor_booth_assignments venba 
+ON ven.vendor_id = venba.vendor_id
+GROUP BY vendor_name;
 
 
 --END QUERY
@@ -106,8 +125,15 @@ of customers for them to give stickers to, sorted by last name, then first name.
 HINT: This query requires you to join two tables, use an aggregate function, and use the HAVING keyword. */
 --QUERY 9
 
-
-
+SELECT cust.customer_last_name,cust.customer_first_name FROM customer cust
+JOIN 
+(
+SELECT cpurchases.customer_id
+FROM customer_purchases cpurchases
+GROUP BY cpurchases.customer_id HAVING sum(quantity * cost_to_customer_per_qty) > 2000
+) spent
+ON cust.customer_id = spent.customer_id 
+ORDER BY  cust.customer_last_name,cust.customer_first_name;
 
 --END QUERY
 
@@ -124,10 +150,14 @@ When inserting the new vendor, you need to appropriately align the columns to be
 VALUES(col1,col2,col3,col4,col5) 
 */
 --QUERY 10
+DROP TABLE IF EXISTS new_vendor;
+CREATE TEMP TABLE temp.new_vendor AS
+SELECT * FROM vendor;
 
+INSERT INTO temp.new_vendor (vendor_id, vendor_name,vendor_type, vendor_owner_first_name, vendor_owner_last_name)
+VALUES (10, 'Thomass Superfood Store','Fresh Focused store','Thomas','Rosenthal');
 
-
-
+SELECT * FROM new_vendor;
 --END QUERY
 
 
@@ -139,8 +169,23 @@ and year are!
 Limit to 25 rows of output. */
 --QUERY 11
 
-
-
+SELECT customer_id,
+	   CASE strftime('%m', market_date)
+        WHEN '01' THEN 'January'
+        WHEN '02' THEN 'February'
+        WHEN '03' THEN 'March'
+        WHEN '04' THEN 'April'
+        WHEN '05' THEN 'May'
+        WHEN '06' THEN 'June'
+        WHEN '07' THEN 'July'
+        WHEN '08' THEN 'August'
+        WHEN '09' THEN 'September'
+        WHEN '10' THEN 'October'
+        WHEN '11' THEN 'November'
+        WHEN '12' THEN 'December'
+	  END AS 'month',
+	   strftime('%Y', market_date) AS 'year' 
+FROM customer_purchases LIMIT 25;
 
 --END QUERY
 
@@ -153,7 +198,17 @@ but remember, STRFTIME returns a STRING for your WHERE statement...
 AND be sure you remove the LIMIT from the previous query before aggregating!! */
 --QUERY 12
 
-
+SELECT customer_first_name, customer_last_name, spent.customer_spent
+FROM customer cust 
+INNER JOIN
+(
+SELECT customer_id,
+	   SUM(quantity*cost_to_customer_per_qty) AS customer_spent
+FROM customer_purchases 
+WHERE strftime('%Y', market_date) = '2022' and strftime('%m', market_date) = '04'
+GROUP BY customer_id
+) spent
+ON cust.customer_id = spent.customer_id;
 
 
 --END QUERY