pls help, this is project management

Mis Publinsky and her husband, Xander, are planning their dream house. The lot for the house sits high on a hill with a beautiful view of the White Mountains. The plans show the size of the house to be 2.500 square feet. The average price for a lot and house similar to this one has been $128 per square foot. Fortunately, Xander is a retired plumber and feels he can save money by installing the plumbing himself. Mrs. Publinsky feels she can take care of the interior decorating The following average cost information is avalloble from a local bank that makes loans to local contractors and dispenses progress payments to contractors when specific tasks are verified as complete 25% Excavation and framing complete Roof and fireplace complete 3% Wiring roughed in Plumbing roughed in 5% Siding on 21% Windows, Insulation, walks, plaster, and are complete Furnace Installed 3 Plumbing Fixtures installed 10 Exterior paint, licht fixtures imtalled, vint hardware Installed Carpet and this installed Interior decorating Floors and and finished Calculate the estimated cost for the Publinsky's house if they use contractors to complete all of the house. (Round the final answer to the nearest dollar) Estimated cost Calculate the estimated cost for the Publinsky's house if they use their talents to do some of the work themselves (all plumbing and Interior decoration (Round the final answer to the nearest dollar) Estimated.co