28. Prove that accounting equation is satisfied in all the following cases:

(a) Commenced business with cash ₹50,000.

(b) Paid rent ₹4,000 including ₹1,000 as advance. 

(c) Bought goods for cash ₹30,000 and on credit ₹20,000. 

(d) Sold the goods bought on credit for ₹25,000.

(e) Purchased furniture worth ₹10,000 for office use and for ₹5,000 for domestic use.