Plz ! economics im so confused. i dont get it

What is the present value of the following cash flow stream at a rate of 12.0%? years: 0 1 2 3 4| | | | |cfs: $0 $1,500 $3,000 $4,500 $6,000a. $9,699b. $10,210c. $10,747d. $11,284e. $11,849

Match the terms with their correct definition. terms: 1. accounts receivable 2. other receivables 3 debtor 4. notes receivable 5. maturity date 6. creditor definitions: a. the party to a credit transaction who takes on an obligation/payable. b. the party who receives a receivable and will collect cash in the future. c. a written promise to pay a specified amount of money at a particular future date. d. the date when the note receivable is due. e. a miscellaneous category that includes any other type of receivable where there is a right to receive cash in the future. f. the right to receive cash in the future from customers for goods sold or for services performed.

Jake and janelle loved to prepare gourmet meals for friends and family. they started a business of preparing theme-type dinners for friends who were having parties. to generate even more interest in the business, janelle created on her website. she posted pictures of events, and close-ups of the food they served. she encouraged patrons and others to post reviews, comments, and favorite recipes, and to share their own party ideas. her promotion became a dialogue between buyers of her service and the business. interactive promotion infomercials product placement broadcast