Use R commands to accomplish the following

a. Load the data file "sales. RData" (note that this is already in R's format so you can use the function load rather than read. csv).
b. Provide a summary of each column in the sales data frame.
c. Describe how the data is organized (i. e. what is contained in each row or what is the unit of observation).
D. What were the total sales in 2017

What is the difference between an "i" statement and a "you" statement? a. the "i" statement is non-confrontational b. the "you" statement is non-confrontational c. the "i" statement is argumentative d. the "you" statement is neutral in tone select the best answer from the choices provided

Simon, aged 10, is invited to a classmate's birthday party at an exclusive ski resort on march 15th. the day will include 4 hours of snowboarding, lunch and birthday cake. simon's mother checks a box on the invitation that says "yes, we will attend" and returns it to the classmate's address. unfortunately, they later don't attend the party when simon comes down with the flu. on march 17th, simon's mother receives an invoice in the mail from simon's classmate for $35 that says, "party no-show fee." can simon's classmate collect the fee?

Bayside coatings company purchased waterproofing equipment on january 2, 20y4, for $190,000. the equipment was expected to have a useful life of four years and a residual value of $9,000. instructions: determine the amount of depreciation expense for the years ended december 31, 20y4, 20y5, 20y6, and 20y7, by (a) the straight-line method and (b) the double-declining-balance method. also determine the total depreciation expense for the four years by each method. depreciation expense year straight-line method double-declining-balance method 20y4 $ $ 20y5 20y6 20y7 total $