Exercise 4.1: Create a Visual Basic project to solve for the roots of the adrat -b+b-4ac a X2 + bX + c = 0, using quadratic formula as:X1 the values of coefficient a, b, and c are entered by using input box statement. Display number of roots and value of roots in text boxes. When the value of coefficient (a) equal to zero or(b? - 4ac) less than zero, write a message box to enter a new value of coefficients or end the program. Design the program so that %D 2a

Please solve quickly. Computer program VB

Slappy’s Software Sales AssignmentYou have been hired by Slappy’s Software Sales to write a program to figure thetotal cost to customers that order Slappy’s software packages.Discounts are given based on the number of units sold:Number of Units Sold Discount Amount1 – 9 None10 – 19 20%20 – 49 30%50 – 99 40%100 or more 50%Create a form similar to this:The three boxes are labels. Remember to use the Auto Size and Border Styleproperties.The program should read the number of units sold and figure a base cost. Theunits cost $99 each. A discount should then be figured and subtracted from thebase cost. The subtotal, discount amount and total cost should be displayed, ascurrency, in the appropriate labels.Here are some screen shots of the running program:Set the tab order and access keys.Put comments in your program as to what each section is doing.Use constants for the discount rates and base price.

Hello, Please help with an example by utilizing Java, create a ComboBox control to allow a user to select choices for a car (1 of each) and obtain the total of the complete order. 1. Brand: Toyota-$32,000; Audi-$40,000; Ford -$36,000; Kia-$15,000) 2. Transmission (Automatic-$5000 or Manual-$3000) 3. Wheelset (All around-$500, sport-$800, durability-$600)