The equation to find opening stock is

Which one of the following is not a generally accepted accounting principle:

Which of the following statement is wrong?

Over-capitalization results in:

Cash sales during the year - Rs. 46,000
Cash collected from customers during the year - Rs. 1,26,000
Amount regarded as collected from the customers at the end of the year decreased by Rs. 4,940 as compared to the collectable amount at the beginning of the year. One account of the amount of Rs. 1,300 was determined worthless during the year. The amount of credit sales during the year was