If the required reserve ratio is 10%, what will be the maximum change in the money supply in each of the following situations?

a.Abdullah deposits in Riyad bank a check drawn on SAMBA bank.

b.Abdullah buys a SR5,000 Saudi government bond from Saudi Central Bank by drawing down on his checking account.

c.Abdullah sells a SR10,000 Saudi government bond to the Saudi Central Bank and deposit the SR10,000 in NCB bank.

d.Abdullah writes a SR10,000 check on his own account and takes SR1,000 in currency and buries it in his backyard.