Manthly Payments and Finance Charges or an Add-en Rate Loan equation to calculate the finance charge and morahly paymert for these three options. Reund your antwers to the nearest cart. I=PRT where I= Interest or finance charges P= Principal amount borrowed R= Rate of interest (simple, add-on, or discount rate) T= Time of loan in years for the 6.0 percent isan the frukce oroge noud bes Fer the 6.6 percent loas the monthy perment wads se s. for the 6 il percert loaf the firance charbe would be s For the 6.4 percert isan to montevr pavment would bes for the 77 percent lisan the france charge would be s For thas 7.7 percert ioan the monehil paythert would be 1