need step by step instructions please

8. Charles is the owner of Chow Me Down, a food truck specializing in Mexican fusion items like California burritos with guacamole. He is trying to achieve a target markup of 200%, and his costs associated with crafting a burrito are $2.50 per serving. How much should he charge for a California burrito in order to realize a 200% targeted markup? 9. Mai is the LaBama Seafood restaurant owner and uses the gross profit approach for pricing all of her food and beverage items. The seafood platter costs $6.50, and her target margin is 40%. Calculate the menu price of one seafood platter to the nearest whole dollar. 10. Pampered Pets knits sweaters for small dogs and sells them at the local flea market. They would like to achieve a 75% target profit margin, and each sweater costs $2 in variable costs to make. How much should Pampered Pets charge for their hand-knitted creations