Sharon Fox decided to buy a home in Marblehead, Massachusetts, for $275,000. Her bank requires a 30% down payment. Sue Willis, an attorney, has notified Sharon that besides the 30% down payment there will be the following additional costs: (Use Table 15.1.) Recording of the deed A credit and appraisal report Preparation of appropriate documents $ 30.00 155.00 48.00 Other closing expenses include a transfer tax of 1.8% of the purchase price and a loan origination fee of 2.5% of the mortgage amount. Assume a 30-year mortgage at a rate of 10%. a. What is the initial amount of cash Sharon will need? (Do not round intermediate calculations. Round your answer to the nearest cent.) Initial amount b. What is her monthly payment? (Do not round intermediate calculations. Round your answer to the nearest cent.) Monthly payment c. What is the total cost of interest over the life of the mortgage? (Use 360 days a year. Do not round intermediate calculations.) Total cost of interest