Write a program with a method computeCommission which takes a double that is the salesAmount and returns the commissions for sales from $10,000 to $100,000 in increments of $5,000. Commissions are calculated by one of two formulas depending on the amount:a. A sale up to $50,000, 8 percent for the first $5,000 and 10 percent of the remainderb. A sale over $50,000, 9 percent for the first $5,000 and 12 percent of the remainderE