$1.$Write pseudocode instructions to carry out each of the following computational operations: a$.$Determine the area of a triangle given values for the base b and the height h$.$ b$.$Compute the interest earned in $1$ year given the starting account balance B and the annual interest rate I and assuming simple interest, that is$,$ no compounding. Also determine the final balance at the end of the year. c$.$Determine the flying time between two cities given the mileage M between them and the average speed of the airplane.