The following table contains information about four potential investment projects that Castle Corporation is considering. Project A B Required Investment $ 740,000 $ 990,000 $1,240,000 $1,740,000 Project Life 5 4 4 5 Acctg ROR 27.00% 19.00% 12.50% 16.20% Payback Period 3.6 4.0 3.7 3.3 NPV $ 305,750 $ 285,562 $ 217,920 $ 247, 258 Profitability Index 2.16 2.14 1.45 1.40 D Required: 1. Rank the four projects in order of preference under each method indicated by the headers: Accounting Rate of Return Payback Period Net Present Value Profitability Index 1st preferred 2nd preferred 3rd preferred 4th preferred