Citi Cash Returns - 20% Bonus on Annual Cash Back!

Citi is offering a 20% bonus on cash back earned on all purchases for first 12 months for their Cash Returns Master Card. Earlier Citi had promoted this card with a 5% cash back on ALL purchases for first three months.

However we notice that now the cash back has been reduced to 1% on ALL purchases. With a 20% bonus on all cash back for the first year, the effective rate of cash back for this