Please using these formula sheet to sovled this problems by hand writting. Thank you so much

You have saved $50,000 to use as a down payment for some property and to build a home. The home is in a prime building location that has trees and a stream running through the property. The clearing of the land and the building of the house will cost a total $650,000. a. How much money will you need to borrow through a loan for your home? b. The bank offers to finance your purchase with a 25-year amortized loan with a 5-year term at 4.125%. You want to make monthly payments on this loan, how much are the monthly payments? C. At the end of the 5-year term, the loan terms allow you pay down an additional 10% of the original loan amount and the terms allow you to change the remaining amortization period. You have saved the additional money to pay down the amount of the loan and you what to shorten the remaining amortization by 5 years. The bank will fund your loan at 4.50% for a 5 year term. If you are to make monthly, what are your new monthly payments for the loan after the renegotiation? Formula Sheet PV- FV (1+r) r PV - PV -- reg 1 (1+r) PVC r or or Pv----6) or EAR = [1 - 478) -- EPR= [1, 478)*-- EAR - - 1 (FV - MV)] Y7M FVMV 2 D D Prs r D P- D D+P P - PVCCATS - IdT d+r 10.5") (][0-3] (FV - MV) + YTM FV + MV D P. - r-8 D Pes + D D P.- D, + P (1+r)(1+r) (1+r) P- D 3 (1+r) IdT 11+0.5 S dr PVCCATS - d+r Financial Ratios Equity Multiplier = Total Assets / Total Equity Times Interest Earned = EBIT / Interest Inventory Turnover = Cost of Goods Sold / Inventory Total Asset Turnover = Sales/Total Assets Profit margin = Net Income / Sales Market-to-Book Ratio = Market Value per Share / Book Value per Share ROE = PM X TAT X EM