Assuming that Mr. Layte must pay for his mortgage from his (otherwise) disposable income, that disposable income will decrease. As in choice A, there will likely be additional ownership expenses besides the mortgage. Under our assumption, Mr. Layte's disposable income does not remain the same or increase.
The appropriate choices are A and D: the amount of money he has to spend on things will decrease ...
Greetings. I recently came across the problem: "A class has three fewer girls than boys. If the ratio of girls to boys is 4 to 5, how many students are in the class?" The answer was 27 students.