A taxi driver works 46 weeks of the year and gets an average of 70 customers per week which average 4 miles each at 90 pence per mile. Her expenditure is as follows:
$\begin{array}{ll}\text { Car Service/Repair/MOT/Insurance } & £ 1,250 \text { per annum } \\ \text { Diesel fuel costs } & 6 \text { pence per mile. } \\ \text { Mortgage costs } & £ 250 \text { per month } \\ \text { Other expenditure - food/electricity etc. } & £ 125 \text { per week }\end{array}$
What is the total income in pounds of the taxi driver for the whole year?
- $11,592$
- $12,192$
- $12,692$
- $12,992$
- $13,192$
What is the total expenditure over the year to the nearest pound?
- $9,353$
- $9,953$
- $10,453$
- $10,953$
- $11,523$
What is her average excess of income over expenditure per month to the nearest pound?
- $6$
- $16$
- $36$
- $56$
- $76$