Which of the following is a measure of liquidity?
a) liabilities-to-equity ratio = total liabilities / stockholder’s equity
b) times interest earned = earnings before interest and taxes / interest expense
c) quick ratio = (cash + marketable securities + accounts receivable) /
d) current liabilities return on net operating assets (rnoa) all of the above

Atoy manufacturer makes its own wind-up motors, which are then put into its toys. while the toy manufacturing process is continuous, the motors are intermittent flow. data on the manufacture of the motors appears below.annual demand (d) = 50,000 units daily subassembly production rate = 1,000setup cost (s) = $85 per batch daily subassembly usage rate = 200carrying cost = $.20 per unit per year(a) to minimize cost, how large should each batch of subassemblies be? (b) approximately how many days are required to produce a batch? (c) how long is a complete cycle? (d) what is the average inventory for this problem? (e) what is the total annual inventory cost (holding plus setup) of the optimal behavior in this problem?

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Why has the free enterprise system been modified to include some government intervention?