Show the effect of following transactions on the accounting equation : (i) Jonty commenced business with cash $40,000 and stock $60,000. (ii) Purchased goods on credit $30,000. (iii) Sold goods costing $16,000 for $20,000 on credit. (iv) Returned goods to supplier $5,000. (v) Cash paid to supplier $10,000. (vi) Goods returned by a customer $9,000 (Costing $7,000). (vii) Cash received from a customer $8,000