(a)
Rate earned on assets = (Net income + Interest expense )/Average total assets
Year 3: ($242,000 + $100,000)/$2,850,000* = 12.0%
Year 2: ($308,000 + $100,000)/$2,550,000** = 16.0%
*($3,000,000 + $2,700,000) ÷ 2
**($2,700,000 + $2,400,000) ÷ 2
Year 3: $242,000/$1,611,000* = 15.0%
Year 2: $308,000/$1,348,000** = 22.8%
*($1,726,000 + $1,496,000) ÷ 2
**($1,496,000 + $1,200,000) ÷ 2
(Net income – Preferred dividends)/Average common stockholders’ equity
Year 3: ($242,000 –$12,000)/$1,411,000* = 16.3%
Year 2: ($308,000 – $12,000)/$1,148,000** = 25.8%
*($1,526,000 + $1,296,000) ÷ 2
**($1,296,000 + $1,000,000) ÷ 2