Please help I am not sure how to calculate the repayment amount

Jason Allen, Vaughn & Matthew Fabricators budget director, has received budget information from several managers and is preparing the companys cash budget.

		January			February			March			Quarter
Collections from sales		478,200			560,860			636,720			1,675,780
Payments for direct materials		80,505			253,125			280,730			614,360
Payments for direct labor		98,640			103,680			116,640			318,960
Payments for manufacturing overheads		78,490			78,980			80,240			237,710
Payments for Selling & administrative expenses		111,400			116,440			123,160			351,000

In addition to the information he received from these managers, Jason knows the following:

		Vaughn & Matthew plans to have $32,400 in its cash account on January 1.
		Vaughn & Matthew plans to purchase and pay cash for a piece of land in January at a cost of $85,000.
		Vaughn & Matthew plans to make a cash purchase of equipment in March at a cost of $28,000.
		Vaughn & Matthew's income taxes from last quarter totaling $26,400 will be paid in January.
		Vaughn & Matthew is required to maintain a minimum cash balance of $50,000 in its account at First National Bank.

Vaughn & Matthew has negotiated with the First National Bank to provide a $175,000 line of credit that can be borrowed against in $1,000 increments on the first day of the month. Any repayments on the line of credit must also be made in $1,000 increments and are made on the last day of the month when cash is available. The annual interest rate on this line of credit is 6%. Any time a principal payment is made, all accrued interest to date is repaid. Prepare Vaughn & Hills cash budget for the first quarter. (Round answers to 0 decimal places, e.g. 5,275. Enter answers in necessary fields only. Leave other fields blank. Do not enter 0. Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).)

		January		February		March		Quarter
Beginning cash balance		$32,400		$50,165		$		$
Collections from sales		478,200		560,860
Total cash available to spend		510,600		611,025
Less: Disbursements
Payments for direct materials		80,505		253,125
Direct labor		98,640		103,680
Manufacturing overhead		78,490		78,980
Selling & administrative expenses		111,400		116,440
Land and Equipment purchases		85,000		0
Income Taxes		24,400		0
Total cash disbursements		478,435		552,225
Cash excess (deficiency)		32,165		58,800
)Minimum cash balance		-50,000		-50,000
Cash excess (needed)		-17,835		8,800
Financing
Borrowings		18,000
Repayments		0
Interest		0		-180
Total financingFinancing		18,000
Ending cash balance		50,165