Charles, the manager of an export company, wishes to replace a machine four years from now, with a new machine that will cost R150 000 in four years time. If equal end-of-the year deposits will be made into an account paying annual interest of 10 per cent, calculate the size of the each deposit. a. R32320.62 b. R 45345,78 c. R 23535.24 d. R 29382.38