Consider the following regression equation for the US (Standard errors in parentheses):Pt=4.00-.01PRPt + .03PRBt + .20YDt(.005) (.02) (.04)Rbar2=.98 n=29where pt= per capita pounds of pork consumed in time period tPRPt =the price of pork in time period tPRBt =the price of beef in time period tYDt =per capita disposable income in time period ta. Hypothesize signs and specify the appropriate null and alt. hypotheses for the coefficients of each of these variables (one sided test)b. Test your hypotheses using the t-test at a 5% level of significance