Analog for direct and indirect methods for preparing the statement of cash flows. John earns $1,000 and spends $700. Mary earns $1,200 and spends $650. The following statement shows earnings, expenditures by individuals, and total family savings.

John's Earnings . . .
Mary's Earnings . . .
John's Expenditures Mary's Expenditures Family Savings . . . .
$1,000 1,200 (700)
(650)
$ 850

a. What does Mary contribute to family savings?

b. Repeat part a starting with total family savings and making suitable adjustments for John's earnings savings. not affecting Mary's savings, and for John's expenditures not affecting Mary's