Question $6$: Kitchen Equipment Ltd$.$ received an invoice $($dated Sep $22"*)$ from Dansk Specialties ofCopenhagen with terms $5/15,$ n$/45$ R$.$O$.$G$.$ for the items listed below. $200$ trays at $$25\mathrm{.}50$ each $310$ buckets at $$16\mathrm{.}75$ each$180$ bowls at $$20\mathrm{.}25$ eachAll items are subject to trade discounts of $20\%,152/3\%,$ and $10\%.$ The items arrived on December $5$h$.$a$)$ What is the last day of the cash discount period?b$)$ What is the amount due if the invoice is paid in full on January $5?$ Assume there is a flat fee of $$500$ for late payments.c$)$ If only a partial payment is made on the last day of the cash discount period, what partial paymentamount is needed to reduce the outstanding amount to $$5000$ when the cash discount period expires?