Problem #1. At a supermarket, the price of fresh green seedless grapes increased from $3.48 per pound to $3.99 per pound. (a) What is the percent increase in the price of grapes? (Round your answer to one decimal place.) (b) Tomatoes are expected to undergo the same percent decrease in price. If they currently sell for $2.29 per pound, what will be the new price (in $ per lb) of tomatoes? (Round your answer to the nearest cent.) Problem #2. You are the buyer for the nutritional supplement department of a local pharmacy. A number of vendors in your area carry similar lines of organic vitamins. On bottles of organic vitamin C, Brand A offers a list price of $240 per dozen less a 32% trade discount. Brand B offers a similar bottle for a list price of $325 less a 47% trade discount. Which vendor is offering the lower net price? (b) If you order 300 dozen bottles of organic vitamin C, how much money (in $) will be saved by using the lower-priced vendor