Kelly is a sales associate for All About Sports T-shirt Shop. Her job is to travel to various retail stores and sell them their T-shirts to resell to the public. The function m (x) =13.50  represents the total amount of money she collects from all of the retail stores. 
Part A. Fill in the table with the amount of money collected for selling 
T-shirts.  # of t shirts sold | amount of money collected 
                     300              |         
                     352              |        
                      397             |         
Part B- The cost in dollars to print each T-shirt is represented by the function c(x) = 10x+50 On the 1st quadrant graph below, draw a line that contains the coordinate points of the cost to print up the T-shirts for each store.  
Part C- In addition to the hourly wage, Kelly earns a bonus when the amount of money collected is greater than the cost to print the total number of T-shirts. Her bonus is equal to half of the difference between the amount of money collected m (x)= 13.50x and c (x)=10x+50 How much money does she earn as a bonus when she sells 400 T-shirts? Show all of your work. Explain why you did each step 
Please answer all parts and show work. thank you :)