Using a while loop statement and if statements to write a program that can be used at a department store's register that records the number of customers who spent between $0.00 - $200.00, $200.01 - $800.00, $800.01 or more at the end of a day, the program will print out the number of customers in each of categories.

Implement a document scanning function wordcountengine, which receives a string document and returns a list of all unique words in it and their number of occurrences, sorted by the number of occurrences in a descending order. if two or more words have the same count, they should be sorted according to their order in the original sentence. assume that all letters are in english alphabet. you function should be case-insensitive, so for instance, the words “perfect” and “perfect” should be considered the same word.

Janet has to prepare a presentation on business strategies for work. which guideline should she follow to create an effective presentation? a. use a readable font b. use a multicolored background c. use a small, but stylish font d. include detailed text

*jenny is preparing a presentation on the health statistics of the 10 most populated countries. she wants to apply a blinking effect to the names of the countries, and a motion effect between the exit and entry of every slide. which options should she use? jenny should use the option to apply a special blinking effect to the names of the countries and the option to apply a motion effect between the exit and entry of every slide.