After reviewing the information below, answer the questions which follow$\mathrm{.}2$nd Quarter Net Sales This Year $2$nd Quarter Net Sales Last YearLuggage Dept. $$140,844$ $$130,619$Entire Store $$2,364,380$ $$2,229,800($a$)$ Calculate the percentage change in net sales for the luggage department.$($b$)$ Calculate the percentage change in net sales for the entire store.$($c$)$ Based on sales during the $2$nd Quarter this year, what percentage of the entire store$$s salesdid the luggage department represent