Two investment portfolios are shown with the amount of money placed in each investment and the rate of return (ROR).

Investment Portfolio 1 Portfolio 2
Tech Company Stock $2,800 $1,275
Government Bond $3,200 $2,200
Junk Bond $950 $865
Common Stock $1,500 $1,700
ROR 4.99% 6.87%
Total Investment $8,450 $6,040
Which portfolio earns the most, and by how much?

a. Portfolio 1 earns $128.27 more.
b. Portfolio 2 earns $128.27 more.
c. Portfolio 1 earns $122.97 more.
d. Portfolio 2 earns $122.97 more.