Calculate Madieha Distributors$$ operating cycle and working capital $($cash conversion$)$

cycle from the following information:

Account Opening balance Closing balance

Inventory R$25$m R$22$m

Accounts receivable R$28$m R$25$m

Accounts payable R$18$m R$23$m

Net sales during the year were R$95$m while cost of goods sold

amounted to $65\%$ of the sales. Interpret the cash conversion cycle if

the industry average is $80$ days

How do you calculate the opening an dclosing account based on the industy average $80$ days