In 2004 the price of 454 grams of butter was $3.59 in Canada and in 2020 it was $5.08. if the CPI (2002=100) increased from 104.7 to 137.0 over this period, the real percentage change in price was: OA. 3.9% OB. 5.2% O C. 6.8% O D. 8.1% Previous page 29 30 31 32 33 Next page An increase in the supply of money produces O A. A liquidity effect that increases interest rates. O B. A substitution effect between wealth and income. O C. A price-level effect that decreases interest rates. O D. An income effect shifts the money demand to the right. Previous page 30 31 32 33