General business accounting Pls help me to solve these questions asap

1. Mix Recording Studios purchased $7,800 in electronic components from TechCom. Mix Recording Studios signed a 60-day, 10% promissory note for $7,800. Record TechCom's journal entry for this transaction. 2. On December 31, 2019, the following were the balances in SRK Inc's Trial Balance: Accounts Receivable: DR $107,250; Allowance for Doubtful Accounts: CR $1,900. What amount should be debited to Bad Debt Expense, assuming 6% of the outstanding Accounts Receivable at December 31, 2019 are still estimated to be uncollectible? Provide a journal entry to show the adjustment. 3. ABC Inc. ages its accounts receivables to determine the end of the period adjustment for bad debts. At the end of the year, management estimated that $12,750 of the accounts receivable balances would be uncollectible. What entry should ABC Inc. make at the end of the ye for the estimated bad debts expense? 4. Navneet's company received a Bank Statement on June 30, 2019 and showed a balance of - $2,220 (negative balance). However, its books at the end of same date showed a balance of + $1,530 (positive balance). A quick bank reconciliation indicated that the only items outstanding were two deposits in transit. What were the totals of these two deposits in transit - show your calculation