Record the following journal entries for each transaction. $1.$ Mason invests $$50,000$ into his company MBC$,$ Co$.$ in exchange for common stock$\mathrm{.}2.$ MBC purchases equipment costing $$5,000,$ paying cash$\mathrm{.}3.$ MBC pays $$1,000$ cash for the current month's rent$\mathrm{.}4.$ MBC purchases supplies costing $$200$ on account to be paid in $30$ days or less$\mathrm{.}5.$ MBC performs services for a client in the amount of $$1,000$ and receives cash at the time of service.