A two-way frequency table is shown below that displays the relationship between television technology type and television size sold at a local retail outlet. Store managers took a sample of 90 people and recorded the following results:

1. a music store marks up the instruments it sells by 30%. a. if the store bought a guitar for $45, what will be its store price? b. if the price tag on a trumpet says $104, how much did the store pay for it? c. if the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?