A house sells for $145,000 and a 15% down payment is made. A mortgage was secured at 7% for 25 years. (a) Find the down payment. (b) Find the amount of the mortgage. (c) Find the monthly payment. (d) Find the total interest paid. 30. A house sells for $182,500 and a 5% down payment is made. A mortgage is secured page 426 at 7% for 15 years. (a) Find the down payment. (b) Find the amount of the mortgage. (c) Find the monthly payment. (d) Find the total interest paid. 31. A building sells for $200,000 and a 40% down payment is made. A 30-year mortgage at 6% is obtained. (a) Find the down payment. (b) Find the amount of the mortgage. (c) Find the monthly payment. (d) Find the total interest paid. 32. An ice cream store sells for $125,000 and a 12% down payment is made. A 25-year mortgage at 7.5% is obtained. (a) Find the down payment. (b) Find the amount of the mortgage (c) Find the monthly payment. (d) Find the total interest paid. 33. An auto parts store sells for $325,000 and a 10% down payment is made. A 40-year mortgage at 7.5% is obtained, and closing costs are $3,200. (a) Find the down payment. (b) Find the amount of the mortgage. (c) Find the monthly payment. (d) Find the total interest paid. 35. A computer store sells for $1,200,000. The buyer made a 30% down payment and secured a 20- year mortgage on the balance at 5.5%. (a) Find the down payment. (b) Find the amount of the mortgage. (c) Find the monthly payment. (d) Find the total interest paid. 36. A grocery store sells for $550,000 and a 25% down payment is made. A 40-year mortgage at 6% is obtained. (a) Find the down payment. (b) Find the amount of the mortgage. (c) Find the monthly payment. (d) Find the total interest paid.