3.- En una fábrica de computadoras se planea ofrecer a los clientes un descuento que dependerá del número de computadoras que compre. Si las computadoras son menos de 5 se le hará un descuento del
10% sobre el total de la compra; si el número de computadoras es mayor o igual a 5 pero menor que 10
se le otorga un descuento del 20%; y si son 10 o mas se le da un 30% de descuento. Calcular cuanto
pagará el cliente si el precio de una computadora es de $ 10 000.
Es de blueJ, java Programacion, ayuda porfa es urgente

Ihave a music player on my phone. i can buy songs, add them to playlists and play them. obviously it would be redundant to store each song in each playlist; each playlist is just a list of pointers to the songs. for this lab you will simulate this behavior. your program will need to have options to: add songs to the system library (you will store the text of the first line of the song, rather than the audio) add playlists add songs to a playlist list playlists play a playlist list all of the songs in the library with a count of how many times each song has been played remove a song from a playlist remove a playlist remove a song from the library (and thus from all playlists that contain it) note that we will not be checking many error cases. in real programming this would be bad, you should usually try to recognize and respond to as many types of errors as you can. in the context of class we are trying to acquaint you with as many concepts as possible, so for the sake of educational efficiency we will not be checking most errors in this lab, you may assume that your user provides correct input. you may add all appropriate error testing if you wish, but we will not be testing for it.

The file sales data.xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel.xlsm to find a nice color of gray.)

What does 21 pilots middle aged name as a band 15 years prior to them naming their band 21 pilots?