(22-5)/5=3.4

( 108-72)/72=0.5

Because of 3.4 & gt0.625 & gt, the price of mung beans rose the fastest, followed by garlic and duck tongue.

(2) 8*( 1+0.05)=8.4

5*( 1+0.05)=5.25

72*( 1+0.05)=75.6

Therefore, the reasonable unit prices of the three are in the range of 8~8.4, 5~5.25 and 72~75.6 yuan respectively.

(3) For example, mung bean, originally a simple basic crop product, has been highly valued and widely used by public opinion, which has a powerful gain effect to prevent potential negative effects and has attracted countless people. It is suggested to restore things to their true colors, improve people's thirst for knowledge in the depths of their concepts, and use the regulatory power of the government and even the state to reduce the illusion that demand exceeds supply.