Write a Visual Basic code for the following below CSC 130 Homework 2 The Megawatt Solar Panel Company installs solar panels on home rooftops. The base installation charge of $2,000 includes two panels. The charge for each additional panel is $300. The normal waiting time for installation is two weeks, but customers can pay an express charge of 5% of the total cost to reduce this time. Create an application that collects the required information from the user and calculates the charges for the installation. The user enters a first name, the number of panels, the amount of the deposit, and if they want expedited installation. Use separate procedures or functions for the following:An introduction to the program. Use the first name somewhere in this introduction.Validation of the number of panelsValidation of the amount of the depositChoose expedited installationCalculation of the total costCalculation of the balance duePrint the resultsNOTE: if the deposit is less than the total due, indicate a balance due. If not, indicate a refund. Error checking should include the following criteria:the name cannot be blankthe number of panels must be an integer between 1 and 1,000 (include 1000 as a valid number)the deposit amount must be a numeric value greater than or equal to 0 Other requirements:Use variables or constantsInclude comments in a header and throughout the codeFormat amounts as currency

SOLUTION- I have solved this problem in VISUAL BASIC code with comments and screenshot for easy understanding :)Public Class Form1 Dim first As String Dim last As String Dim phone As Integer Dim deposit, ap, totalcost, a, due, nop As IntegerPrivate Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load GroupBox2.Visible = False End SubPrivate Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim t As Integer first = fname.Text last = lname.Text phone = pnum.Text nop = panels.Text deposit = amount.Text If first = "" Then MsgBox("First Name should not be null") Application.Exit() End If If last = "" Then MsgBox("Last Name should not be null") Application.Exit() End If If phone < 0 Then MsgBox("Phone Number should not be null") Application.Exit() End If If nop < 1 Or nop > 100 Then MsgBox("Number of panels should not less than 1 and greater than 100") Application.Exit() End If If deposit < 0 Then MsgBox("Deposit amount should be greater than 0") Application.Exit() End If GroupBox2.Visible = True TextBox1.Text = 2000 TextBox2.Text = nop - 2 t = TextBox2.Text t = t * 300 TextBox2.Text = t 'ap = TextBox2.Text 'ap = ap * 300 totalcost = TextBox1.Text + t If CheckBox1.Checked = True Then a = totalcost * (5 / 100) totalcost = a + totalcost End If TextBox3.Text = totalcost TextBox4.Text = deposit due = deposit - totalcost If due > 0 Then TextBox5.Text = "REFUND" Else TextBox5.Text = Math.Abs(due) End If End Sub Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click fname.Text = " " lname.Text = " " pnum.Text = " " panels.Text = " " amount.Text = " " CheckBox1.Checked = False End Sub Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click GroupBox2.Visible = False End SubEnd Class Above I have given the code and screenshot with comments and proper explanation so please check it properly. THANK YOU!! :)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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CSC 130 Homework 2

The Megawatt Solar Panel Company installs solar panels on home rooftops. The base installation charge of $2,000 includes two panels. The charge for each additional panel is $300. The normal waiting time for installation is two weeks, but customers can pay an express charge of 5% of the total cost to reduce this time. Create an application that collects the required information from the user and calculates the charges for the installation.

The user enters a first name, the number of panels, the amount of the deposit, and if they want expedited installation.

Use separate procedures or functions for the following:

An introduction to the program. Use the first name somewhere in this introduction.
Validation of the number of panels
Validation of the amount of the deposit
Choose expedited installation
Calculation of the total cost
Calculation of the balance due
Print the results
NOTE: if the deposit is less than the total due, indicate a balance due. If not, indicate a refund.

Error checking should include the following criteria:

the name cannot be blank
the number of panels must be an integer between 1 and 1,000 (include 1000 as a valid number)
the deposit amount must be a numeric value greater than or equal to 0

Other requirements:

Use variables or constants
Include comments in a header and throughout the code
Format amounts as currency

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