a$.$Invested $ $12$ comma $500$ of his savings into the business.b$.$Paid $ $1$ comma $260($check # $8095)$ for the computer from Hardware Haven, Inc.c$.$Paid $ $1$ comma $500($check # $8096)$ for office equipment from In Office Furniture, Inc.d$.$Set up a new account with Nuts and Bolts and purchased $ $500$ in office supplies on credit.e$.$Paid July rent, $ $800($check # $8097).$f$.$Repaired a system for a customer and collected $ $1$ comma $000.$g$.$Collected $ $700$ for system upgrade labor charge from a customer.h$.$Electric bill due but unpaid, $ $100.$i$.$Collected $ $1$ comma $400$ for services performed on Viral Video computers.j$.$Withdrew $ $1$ comma $500($check # $8098)$ to take his wife, Carol, out in celebration of opening the new business.