provide detail calculation for each questions $($a$,$b$,$c$,$d$,$e$)$ Yankee Construction agreed to lease payments of $$762\mathrm{.}79$ on construction equipment to be made at the end of each month for six years. Financing is at $15\%$ compounded monthly a$)$ What is the value of the original lease contract? b$)$ If$,$ due to delays, the first eight payments were deferred, how much money would be needed after nine months to bring the lease payments up to date? c$)$ How much money would be required to pay off the lease after nine months? d$)$ If the lease were paid off after nine months, what would the total interest be$?$ e$)$ How much of the total interest would be due to deferring the first eight payments?