Accounting .. .. help needed

IA COMPANY WANTS TO START A NEW PROJECT THE INITIAL COST IS YEAR 1 IT WILL RETURN ZERO YEAR 2 THRU YEAR 4 IT WILL RETURN $150,000 EACH YEAR 500,000 LET INTEREST EQUAL 10%. COMPUTE THE NET PRESENT VALUE SHOULD THE COMPANY PROCEED WITH THE PROJECT A COMPANY WANTS TO START A NEW PROJECT THE INITIAL COST IS IT WILL RETURN THE FOLLOWING YEAR 1 (100,000) YEAR 2 (100,000) YEAR 3 ZERO YEAR 4 ZERO YEAR 5 LET INTEREST EQUAL 8% COMPUTE THE NET PRESENT VALUE SHOULD THE COMPANY PROCEED WITH THE PROJECT #2 5500,000 $1,000,000 #3 APERSON WINS A $10,000,000 LOTTERY wHICH PAYS OUT IN OUAL ISTALLMENTS EVERY YEAR FOR 20 YEARS OR PAYS ONE LUMP SUM IMMEDIATELY ASSUME: A DISCOUNT RATE OF 4% IF THE PERSON CHOOSES TO TAKE A PAYOUT OVER 20 YEARS WHAT WOULD BE HIS/HER BEFORE TAX TAKE HOME EVERY YEAR. IF THE PERSON CHOOSES TO TAKE A LUMP SUM WHAT WOULD BE HIS/HER PAYOUT |#4 A COMPANY WANTS TO START A NEW PROIECT THE INITIAL COST IF THE PROJECT WILL RETURN AN EQUAL ANNUITY AMOUNT EVERY . ssoooool $500,000 YEAR, HOW MUCH MUST IT RETURN TO BREAK EVEN FOR S YEARS LET INTEREST EQUAL 10%. A COMPANY WANTS TO START A NEW PROJECT THE INITIAL COST IS $600,000 YEAR 1 THRU YEAR 4 IT WILL RETURN $200,000 EACH YEAR LET INTEREST EQUAL 12%. COMPUTE THE NET PRESENT VALUE SHOULD THE COMPANY PROCEED WITH THE PROJECT