You want to buy a new lawn mower and you have narrowed your search to two choices: - A $750 regular mower whose fuel consumption is 1.1 hours per liter. - A $850 high efficiency mower whose fuel consumption is 1.8 hours per liter. Assuming gas costs $1.75 per liter, what is the minimum number of hours you would have to mow your lawn for the gas savings on the high efficiency. mower to recover the difference in cost of the two mowers