Question: Write a declaration statement that creates a two-dimensional array referenced by a variable named grades. The array should store int values using 18 rows and

  1. Write a declaration statement that creates a two-dimensional array referenced by a variable named grades. The array should store int values using 18 rows and 12 columns.
  2. Write code that sums each column in the array in Question 2.
  3. Create a List object that uses the binary search algorithm to search for the string "A". Display a message box indicating whether the value was found.

using c# visual studio thanks

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