Please help me solve this question using c programming.

Question 3 [Soalan 3] The tab delimited file "vehicle.txt" contains the sales information of different types of vehicles (car, MPV, bus and lorry) as follows: (Fail "vehicle.txt" mengandungi maklumat jualan jenis kenderaan yang berbeza (kereta, MPV, bas dan lori). Maklumat di dalam fail tersebut dipisahkan oleh tab adalah seperti berikut:] Month January February March April May June Car 100 150 125 75 80 95 MPV 75 25 66 35 30 33 Bus 50 45 22 30 15 35 Lorry 25 20 12 25 13 22 (a) Draw the flowchart to read the file, calculate the sum of sales and average of sales for each type of vehicle, and then store it into a file named "sales.txt. [Lukiskan carta alir untuk membaca fail, mengira jumlah jualan dan purata jualan bagi setiap jenis kenderaan, dan kemudian menyimpannya ke dalam fail bernama "sales.txt".) (6 Marks / Markah) (b) Write a C program to read the file, calculate the sum of sales and average of sales for each type of vehicle, and then store it into a file named sales.txt. [Tulis satu aturcara C untuk membaca fail, mengira jumlah jualan dan purata jualan bagi setiap jenis kenderaan, dan kemudian menyimpannya ke dalam fail bernama "sales.txt".) (14 Marks / Markah)