Renovating antiquities indoor decoration, usually 100 - pound small sofa renovation fee and big sofa renovation cost 300 pounds, but provide some discount on the total cost, as described below,

For a small sofa, discount is:
1 piece of small sofa, accounted for 0%,
Two small sofa 7.5%,
Three small sofa 10%,
More than three small sofa (12%),

For large sofa, discount is:
1 big sofa 15%,
More than one big sofa (18%),

Need to write a received from customers after the information about the number of items they are refurbished, told how much they spend,
Allow customers to enter their want to retrofit the serial number of each type of sofa,
? To ensure that the input data effectively, ensure that the digital is a negative number, for example,
? Display the appropriate error messages (for example, by MsgBox),
? Calculate and display the charges (such as through MsgBox),

CodePudding user response:

Homework yourself!