The marked price of a car is $49,500. A person can pay deposit of 30% and interest at 12% per annum is charged on the outstanding balance.
The total amount payable is to be paid in 2 1/2 years. a) the amount of
each monthly installment b) The hire purchase of the car​

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %