Clear co.'s trial balance has the following selected accounts: cash (includes $10,000 in bond-sinking fund for long-term bond payable): $50,000accounts receivable: $20,000allowance for doubtful accounts: $5,000deposits received from customers: $3,000merchandise inventory: $7,000unearned rent: $1,000investment in trading securities: $2,000what amount should clear report as total current assets in its balance sheet? a) $72,000b) $67,000c) $64,000d) $74,000