Chauncey's Electronics sold 475 tablets last year at $364.99 ench. This year their price decreased to $309.99 and units sold increased to 632 Answer the following questions indicating a decrease with a negative percent change. Note: Please make sure your final answer(5) are in percentage form and are accurale to 2 decimal places. For exangle 34.56% a) What is the percent change in price vear-over-year? b) What is the percent change in units sold year-over-year? c) What is the percent change in total revenue year-over-year